Home / 8,257.92-12,387.60-2,711.04

Finding the Fourth Proportional to 8,257.92, 12,387.60 and 2,711.04

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Solution

The fourth proportional to 8,257.92, 12,387.60 and 2,711.04 is: 4,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.92 : 12,387.60 = 2,711.04 : x
  2. Step 2: Convert to fraction form
    8,257.92/12,387.60 = 2,711.04/x
  3. Step 3: Cross multiply
    8,257.92x = 12,387.60 × 2,711.04
  4. Step 4: Simplify right side
    8,257.92x = 33,583,279.10
  5. Step 5: Solve for x
    x = 33,583,279.10/8,257.92
  6. Step 6: Final answer
    x = 4,066.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.