Home / 8,217.17-12,327.68-4,517.49

Finding the Fourth Proportional to 8,217.17, 12,327.68 and 4,517.49

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Solution

The fourth proportional to 8,217.17, 12,327.68 and 4,517.49 is: 6,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.17 : 12,327.68 = 4,517.49 : x
  2. Step 2: Convert to fraction form
    8,217.17/12,327.68 = 4,517.49/x
  3. Step 3: Cross multiply
    8,217.17x = 12,327.68 × 4,517.49
  4. Step 4: Simplify right side
    8,217.17x = 55,690,171.12
  5. Step 5: Solve for x
    x = 55,690,171.12/8,217.17
  6. Step 6: Final answer
    x = 6,777.29

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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.