Home / 9,249.60-12,757.28-5,519.68

Finding the Fourth Proportional to 9,249.60, 12,757.28 and 5,519.68

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Solution

The fourth proportional to 9,249.60, 12,757.28 and 5,519.68 is: 7,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.60 : 12,757.28 = 5,519.68 : x
  2. Step 2: Convert to fraction form
    9,249.60/12,757.28 = 5,519.68/x
  3. Step 3: Cross multiply
    9,249.60x = 12,757.28 × 5,519.68
  4. Step 4: Simplify right side
    9,249.60x = 70,416,103.27
  5. Step 5: Solve for x
    x = 70,416,103.27/9,249.60
  6. Step 6: Final answer
    x = 7,612.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.