Home / 8,719.92-13,067.19-6,527.52

Finding the Fourth Proportional to 8,719.92, 13,067.19 and 6,527.52

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Solution

The fourth proportional to 8,719.92, 13,067.19 and 6,527.52 is: 9,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.92 : 13,067.19 = 6,527.52 : x
  2. Step 2: Convert to fraction form
    8,719.92/13,067.19 = 6,527.52/x
  3. Step 3: Cross multiply
    8,719.92x = 13,067.19 × 6,527.52
  4. Step 4: Simplify right side
    8,719.92x = 85,296,344.07
  5. Step 5: Solve for x
    x = 85,296,344.07/8,719.92
  6. Step 6: Final answer
    x = 9,781.78

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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.