Home / 8,175.28-11,278.77-4,816.87

Finding the Fourth Proportional to 8,175.28, 11,278.77 and 4,816.87

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Solution

The fourth proportional to 8,175.28, 11,278.77 and 4,816.87 is: 6,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.28 : 11,278.77 = 4,816.87 : x
  2. Step 2: Convert to fraction form
    8,175.28/11,278.77 = 4,816.87/x
  3. Step 3: Cross multiply
    8,175.28x = 11,278.77 × 4,816.87
  4. Step 4: Simplify right side
    8,175.28x = 54,328,336.14
  5. Step 5: Solve for x
    x = 54,328,336.14/8,175.28
  6. Step 6: Final answer
    x = 6,645.44

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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.