Home / 8,519.28-11,757.42-5,162.92

Finding the Fourth Proportional to 8,519.28, 11,757.42 and 5,162.92

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Solution

The fourth proportional to 8,519.28, 11,757.42 and 5,162.92 is: 7,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.28 : 11,757.42 = 5,162.92 : x
  2. Step 2: Convert to fraction form
    8,519.28/11,757.42 = 5,162.92/x
  3. Step 3: Cross multiply
    8,519.28x = 11,757.42 × 5,162.92
  4. Step 4: Simplify right side
    8,519.28x = 60,702,618.87
  5. Step 5: Solve for x
    x = 60,702,618.87/8,519.28
  6. Step 6: Final answer
    x = 7,125.32

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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.