Home / 8,112.49-11,195.24-4,575.71

Finding the Fourth Proportional to 8,112.49, 11,195.24 and 4,575.71

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Solution

The fourth proportional to 8,112.49, 11,195.24 and 4,575.71 is: 6,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.49 : 11,195.24 = 4,575.71 : x
  2. Step 2: Convert to fraction form
    8,112.49/11,195.24 = 4,575.71/x
  3. Step 3: Cross multiply
    8,112.49x = 11,195.24 × 4,575.71
  4. Step 4: Simplify right side
    8,112.49x = 51,226,176.73
  5. Step 5: Solve for x
    x = 51,226,176.73/8,112.49
  6. Step 6: Final answer
    x = 6,314.48

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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.