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Finding the Fourth Proportional to 7,092.75, 9,788.31 and 3,949.14

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Solution

The fourth proportional to 7,092.75, 9,788.31 and 3,949.14 is: 5,449.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.75 : 9,788.31 = 3,949.14 : x
  2. Step 2: Convert to fraction form
    7,092.75/9,788.31 = 3,949.14/x
  3. Step 3: Cross multiply
    7,092.75x = 9,788.31 × 3,949.14
  4. Step 4: Simplify right side
    7,092.75x = 38,655,406.55
  5. Step 5: Solve for x
    x = 38,655,406.55/7,092.75
  6. Step 6: Final answer
    x = 5,449.99

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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.