Home / 8,626.59-12,937.12-2,781.83

Finding the Fourth Proportional to 8,626.59, 12,937.12 and 2,781.83

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Solution

The fourth proportional to 8,626.59, 12,937.12 and 2,781.83 is: 4,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.59 : 12,937.12 = 2,781.83 : x
  2. Step 2: Convert to fraction form
    8,626.59/12,937.12 = 2,781.83/x
  3. Step 3: Cross multiply
    8,626.59x = 12,937.12 × 2,781.83
  4. Step 4: Simplify right side
    8,626.59x = 35,988,854.62
  5. Step 5: Solve for x
    x = 35,988,854.62/8,626.59
  6. Step 6: Final answer
    x = 4,171.85

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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.