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Finding the Fourth Proportional to 7,052.56, 9,732.11 and 3,865.23

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Solution

The fourth proportional to 7,052.56, 9,732.11 and 3,865.23 is: 5,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.56 : 9,732.11 = 3,865.23 : x
  2. Step 2: Convert to fraction form
    7,052.56/9,732.11 = 3,865.23/x
  3. Step 3: Cross multiply
    7,052.56x = 9,732.11 × 3,865.23
  4. Step 4: Simplify right side
    7,052.56x = 37,616,843.54
  5. Step 5: Solve for x
    x = 37,616,843.54/7,052.56
  6. Step 6: Final answer
    x = 5,333.79

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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.