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Finding the Fourth Proportional to 7,335.09, 10,123.47 and 4,149.36

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Solution

The fourth proportional to 7,335.09, 10,123.47 and 4,149.36 is: 5,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.09 : 10,123.47 = 4,149.36 : x
  2. Step 2: Convert to fraction form
    7,335.09/10,123.47 = 4,149.36/x
  3. Step 3: Cross multiply
    7,335.09x = 10,123.47 × 4,149.36
  4. Step 4: Simplify right side
    7,335.09x = 42,005,921.48
  5. Step 5: Solve for x
    x = 42,005,921.48/7,335.09
  6. Step 6: Final answer
    x = 5,726.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.