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Finding the Fourth Proportional to 7,172.87, 10,759.37 and 2,242.13

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Solution

The fourth proportional to 7,172.87, 10,759.37 and 2,242.13 is: 3,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.87 : 10,759.37 = 2,242.13 : x
  2. Step 2: Convert to fraction form
    7,172.87/10,759.37 = 2,242.13/x
  3. Step 3: Cross multiply
    7,172.87x = 10,759.37 × 2,242.13
  4. Step 4: Simplify right side
    7,172.87x = 24,123,841.25
  5. Step 5: Solve for x
    x = 24,123,841.25/7,172.87
  6. Step 6: Final answer
    x = 3,363.21

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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.