Home / 8,340.66-11,508.51-4,755.55

Finding the Fourth Proportional to 8,340.66, 11,508.51 and 4,755.55

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Solution

The fourth proportional to 8,340.66, 11,508.51 and 4,755.55 is: 6,561.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.66 : 11,508.51 = 4,755.55 : x
  2. Step 2: Convert to fraction form
    8,340.66/11,508.51 = 4,755.55/x
  3. Step 3: Cross multiply
    8,340.66x = 11,508.51 × 4,755.55
  4. Step 4: Simplify right side
    8,340.66x = 54,729,294.73
  5. Step 5: Solve for x
    x = 54,729,294.73/8,340.66
  6. Step 6: Final answer
    x = 6,561.75

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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.