Home / 8,617.80-12,934.16-3,944.92

Finding the Fourth Proportional to 8,617.80, 12,934.16 and 3,944.92

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Solution

The fourth proportional to 8,617.80, 12,934.16 and 3,944.92 is: 5,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.80 : 12,934.16 = 3,944.92 : x
  2. Step 2: Convert to fraction form
    8,617.80/12,934.16 = 3,944.92/x
  3. Step 3: Cross multiply
    8,617.80x = 12,934.16 × 3,944.92
  4. Step 4: Simplify right side
    8,617.80x = 51,024,226.47
  5. Step 5: Solve for x
    x = 51,024,226.47/8,617.80
  6. Step 6: Final answer
    x = 5,920.79

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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.