Home / 8,324.28-11,487.16-4,547.36

Finding the Fourth Proportional to 8,324.28, 11,487.16 and 4,547.36

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Solution

The fourth proportional to 8,324.28, 11,487.16 and 4,547.36 is: 6,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.28 : 11,487.16 = 4,547.36 : x
  2. Step 2: Convert to fraction form
    8,324.28/11,487.16 = 4,547.36/x
  3. Step 3: Cross multiply
    8,324.28x = 11,487.16 × 4,547.36
  4. Step 4: Simplify right side
    8,324.28x = 52,236,251.90
  5. Step 5: Solve for x
    x = 52,236,251.90/8,324.28
  6. Step 6: Final answer
    x = 6,275.17

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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.