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Finding the Fourth Proportional to 9.32, 13.94 and 6.28

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Solution

The fourth proportional to 9.32, 13.94 and 6.28 is: 9.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.32 : 13.94 = 6.28 : x
  2. Step 2: Convert to fraction form
    9.32/13.94 = 6.28/x
  3. Step 3: Cross multiply
    9.32x = 13.94 × 6.28
  4. Step 4: Simplify right side
    9.32x = 87.54
  5. Step 5: Solve for x
    x = 87.54/9.32
  6. Step 6: Final answer
    x = 9.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.