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Finding the Fourth Proportional to 9,324.41, 12,863.63 and 5,344.61

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Solution

The fourth proportional to 9,324.41, 12,863.63 and 5,344.61 is: 7,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.41 : 12,863.63 = 5,344.61 : x
  2. Step 2: Convert to fraction form
    9,324.41/12,863.63 = 5,344.61/x
  3. Step 3: Cross multiply
    9,324.41x = 12,863.63 × 5,344.61
  4. Step 4: Simplify right side
    9,324.41x = 68,751,034.58
  5. Step 5: Solve for x
    x = 68,751,034.58/9,324.41
  6. Step 6: Final answer
    x = 7,373.24

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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.