Home / 8,313.20-12,454.68-4,839.92

Finding the Fourth Proportional to 8,313.20, 12,454.68 and 4,839.92

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Solution

The fourth proportional to 8,313.20, 12,454.68 and 4,839.92 is: 7,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.20 : 12,454.68 = 4,839.92 : x
  2. Step 2: Convert to fraction form
    8,313.20/12,454.68 = 4,839.92/x
  3. Step 3: Cross multiply
    8,313.20x = 12,454.68 × 4,839.92
  4. Step 4: Simplify right side
    8,313.20x = 60,279,654.83
  5. Step 5: Solve for x
    x = 60,279,654.83/8,313.20
  6. Step 6: Final answer
    x = 7,251.08

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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.