Home / 8,624.60-12,937.17-2,781.26

Finding the Fourth Proportional to 8,624.60, 12,937.17 and 2,781.26

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Solution

The fourth proportional to 8,624.60, 12,937.17 and 2,781.26 is: 4,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.60 : 12,937.17 = 2,781.26 : x
  2. Step 2: Convert to fraction form
    8,624.60/12,937.17 = 2,781.26/x
  3. Step 3: Cross multiply
    8,624.60x = 12,937.17 × 2,781.26
  4. Step 4: Simplify right side
    8,624.60x = 35,981,633.43
  5. Step 5: Solve for x
    x = 35,981,633.43/8,624.60
  6. Step 6: Final answer
    x = 4,171.98

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1.5x scale

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.