Finding the Fourth Proportional to 5,758, 8,639.88 and 2,638
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Solution
The fourth proportional to 5,758, 8,639.88 and 2,638 is: 3,958.32
Step by Step Solution
- Step 1: Write the proportion equation
5,758 : 8,639.88 = 2,638 : x - Step 2: Convert to fraction form
5,758/8,639.88 = 2,638/x - Step 3: Cross multiply
5,758x = 8,639.88 × 2,638 - Step 4: Simplify right side
5,758x = 22,792,003.44 - Step 5: Solve for x
x = 22,792,003.44/5,758 - Step 6: Final answer
x = 3,958.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.