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Finding the Fourth Proportional to 5,508, 7,600.97 and 2,990.11

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Solution

The fourth proportional to 5,508, 7,600.97 and 2,990.11 is: 4,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508 : 7,600.97 = 2,990.11 : x
  2. Step 2: Convert to fraction form
    5,508/7,600.97 = 2,990.11/x
  3. Step 3: Cross multiply
    5,508x = 7,600.97 × 2,990.11
  4. Step 4: Simplify right side
    5,508x = 22,727,736.41
  5. Step 5: Solve for x
    x = 22,727,736.41/5,508
  6. Step 6: Final answer
    x = 4,126.31

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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.