Home / 8,229.38-11,352.68-5,717.36

Finding the Fourth Proportional to 8,229.38, 11,352.68 and 5,717.36

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Solution

The fourth proportional to 8,229.38, 11,352.68 and 5,717.36 is: 7,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.38 : 11,352.68 = 5,717.36 : x
  2. Step 2: Convert to fraction form
    8,229.38/11,352.68 = 5,717.36/x
  3. Step 3: Cross multiply
    8,229.38x = 11,352.68 × 5,717.36
  4. Step 4: Simplify right side
    8,229.38x = 64,907,358.52
  5. Step 5: Solve for x
    x = 64,907,358.52/8,229.38
  6. Step 6: Final answer
    x = 7,887.27

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Half scale
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Double scale
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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.