Home / 8,465.24-12,691.92-4,572.20

Finding the Fourth Proportional to 8,465.24, 12,691.92 and 4,572.20

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Solution

The fourth proportional to 8,465.24, 12,691.92 and 4,572.20 is: 6,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.24 : 12,691.92 = 4,572.20 : x
  2. Step 2: Convert to fraction form
    8,465.24/12,691.92 = 4,572.20/x
  3. Step 3: Cross multiply
    8,465.24x = 12,691.92 × 4,572.20
  4. Step 4: Simplify right side
    8,465.24x = 58,029,996.62
  5. Step 5: Solve for x
    x = 58,029,996.62/8,465.24
  6. Step 6: Final answer
    x = 6,855.09

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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.