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Finding the Third Proportional to 4.39 and 6.11

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Solution

The third proportional to 4.39 and 6.11 is: 8.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.39 : 6.11 = 6.11 : x
  2. Step 2: Convert to fraction form
    4.39/6.11 = 6.11/x
  3. Step 3: Cross multiply
    4.39x = 6.11 × 6.11
  4. Step 4: Simplify right side
    4.39x = 37.34
  5. Step 5: Solve for x
    x = 37.34/4.39
  6. Step 6: Final answer
    x = 8.51

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.