Dart Drug Corp. reported profits of $6.5 million ($3.82 a share) during the fourth quarter ended Jan. 31, compared with $2.5 million ($1.48) during the year previous quarter.

Fourth quarter sales rose to $81.9 million from $78.7 million in the three months ended Jan. 31, 1982.

The company said the fourth-quarter earnings report did not include the extraordinary income it earned from its sale of 50 percent of Dart Drug's interest in Crown Books East Corp. and the operating systems of its Trak Auto West Corp. The one-time gain was $8.3 million, the company said.

For the year ended Jan. 31, net income before the extraordinary item was $9.1 million ($5.43) on sales of $291.8 million, compared with profits of $4.2 million ($2.51) on sales of $276.9 million in the accounting year ended Jan. 31, 1982. American Furniture Co. reported that it earned a small $30,612 profit (1 cent) on sales of $19.1 million in the first quarter ended March 5, compared with a loss of $372,074 (14 cents) during the quarter ended Feb. 27, 1982.

Richard M. Simmons Jr., president and chairman of the Martinsville, Va., company, predicted improvement later in 1983, although he admitted the company's "incoming order rate continues to be disappointing." Bresler & Reiner Inc. had profits of $1.4 million ($1.28) on sales of $14.7 million last year, compared with net income of $5 million ($4.52) on revenues of $18.7 million. The real estate development and operating company said the 1981 profits including an extraordinary gain of $1.4 million.

Charles S. Bresler, chairman of the board, said house sales fell 16 percent in 1982. He said in 1981 the company realized $4.2 million on the sale of real estate compared with $586,000 last year.