Home / 8,147.26-12,227.91-5,366.02

Finding the Fourth Proportional to 8,147.26, 12,227.91 and 5,366.02

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Solution

The fourth proportional to 8,147.26, 12,227.91 and 5,366.02 is: 8,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.26 : 12,227.91 = 5,366.02 : x
  2. Step 2: Convert to fraction form
    8,147.26/12,227.91 = 5,366.02/x
  3. Step 3: Cross multiply
    8,147.26x = 12,227.91 × 5,366.02
  4. Step 4: Simplify right side
    8,147.26x = 65,615,209.62
  5. Step 5: Solve for x
    x = 65,615,209.62/8,147.26
  6. Step 6: Final answer
    x = 8,053.65

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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.