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Finding the Fourth Proportional to 9,058.44, 12,481.92 and 7,282.92

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Solution

The fourth proportional to 9,058.44, 12,481.92 and 7,282.92 is: 10,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.44 : 12,481.92 = 7,282.92 : x
  2. Step 2: Convert to fraction form
    9,058.44/12,481.92 = 7,282.92/x
  3. Step 3: Cross multiply
    9,058.44x = 12,481.92 × 7,282.92
  4. Step 4: Simplify right side
    9,058.44x = 90,904,824.81
  5. Step 5: Solve for x
    x = 90,904,824.81/9,058.44
  6. Step 6: Final answer
    x = 10,035.37

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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.