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Finding the Fourth Proportional to 7.62, 11.48 and 6.03

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Solution

The fourth proportional to 7.62, 11.48 and 6.03 is: 9.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.62 : 11.48 = 6.03 : x
  2. Step 2: Convert to fraction form
    7.62/11.48 = 6.03/x
  3. Step 3: Cross multiply
    7.62x = 11.48 × 6.03
  4. Step 4: Simplify right side
    7.62x = 69.19
  5. Step 5: Solve for x
    x = 69.19/7.62
  6. Step 6: Final answer
    x = 9.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.