Home / 5,227.16-7,214.10-3,131.24

Finding the Fourth Proportional to 5,227.16, 7,214.10 and 3,131.24

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Solution

The fourth proportional to 5,227.16, 7,214.10 and 3,131.24 is: 4,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.16 : 7,214.10 = 3,131.24 : x
  2. Step 2: Convert to fraction form
    5,227.16/7,214.10 = 3,131.24/x
  3. Step 3: Cross multiply
    5,227.16x = 7,214.10 × 3,131.24
  4. Step 4: Simplify right side
    5,227.16x = 22,589,078.48
  5. Step 5: Solve for x
    x = 22,589,078.48/5,227.16
  6. Step 6: Final answer
    x = 4,321.48

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Half scale
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Double scale
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Similar ratio
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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.