Home / 7,432.50-11,140.32-3,479.04

Finding the Fourth Proportional to 7,432.50, 11,140.32 and 3,479.04

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Solution

The fourth proportional to 7,432.50, 11,140.32 and 3,479.04 is: 5,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.50 : 11,140.32 = 3,479.04 : x
  2. Step 2: Convert to fraction form
    7,432.50/11,140.32 = 3,479.04/x
  3. Step 3: Cross multiply
    7,432.50x = 11,140.32 × 3,479.04
  4. Step 4: Simplify right side
    7,432.50x = 38,757,618.89
  5. Step 5: Solve for x
    x = 38,757,618.89/7,432.50
  6. Step 6: Final answer
    x = 5,214.61

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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.