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Finding the Fourth Proportional to 5,107.88, 7,661.89 and 2,474.84

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Solution

The fourth proportional to 5,107.88, 7,661.89 and 2,474.84 is: 3,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.88 : 7,661.89 = 2,474.84 : x
  2. Step 2: Convert to fraction form
    5,107.88/7,661.89 = 2,474.84/x
  3. Step 3: Cross multiply
    5,107.88x = 7,661.89 × 2,474.84
  4. Step 4: Simplify right side
    5,107.88x = 18,961,951.85
  5. Step 5: Solve for x
    x = 18,961,951.85/5,107.88
  6. Step 6: Final answer
    x = 3,712.29

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