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Finding the Fourth Proportional to 5,517.73, 7,614.51 and 2,999.89

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Solution

The fourth proportional to 5,517.73, 7,614.51 and 2,999.89 is: 4,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.73 : 7,614.51 = 2,999.89 : x
  2. Step 2: Convert to fraction form
    5,517.73/7,614.51 = 2,999.89/x
  3. Step 3: Cross multiply
    5,517.73x = 7,614.51 × 2,999.89
  4. Step 4: Simplify right side
    5,517.73x = 22,842,692.40
  5. Step 5: Solve for x
    x = 22,842,692.40/5,517.73
  6. Step 6: Final answer
    x = 4,139.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.