Convert miles to feet: Convert miles to feet.We know that 1 mile equals 5,280 feet. So, to find out how many feet are in 4 miles, we multiply:4 miles ×5,280 feet/mile =21,120 feet.
Add additional feet: Add the additional feet to the total from Step 1.From Step 1, we have 21,120 feet from the 4 miles. We need to add the extra 3,862 feet:21,120 feet +3,862 feet =24,982 feet.