Home / 8,149.10-12,227.13-5,519.57

Finding the Fourth Proportional to 8,149.10, 12,227.13 and 5,519.57

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Solution

The fourth proportional to 8,149.10, 12,227.13 and 5,519.57 is: 8,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.10 : 12,227.13 = 5,519.57 : x
  2. Step 2: Convert to fraction form
    8,149.10/12,227.13 = 5,519.57/x
  3. Step 3: Cross multiply
    8,149.10x = 12,227.13 × 5,519.57
  4. Step 4: Simplify right side
    8,149.10x = 67,488,438.80
  5. Step 5: Solve for x
    x = 67,488,438.80/8,149.10
  6. Step 6: Final answer
    x = 8,281.71

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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.