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Finding the Fourth Proportional to 5,277.46, 7,912.99 and 3,632.20

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Solution

The fourth proportional to 5,277.46, 7,912.99 and 3,632.20 is: 5,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.46 : 7,912.99 = 3,632.20 : x
  2. Step 2: Convert to fraction form
    5,277.46/7,912.99 = 3,632.20/x
  3. Step 3: Cross multiply
    5,277.46x = 7,912.99 × 3,632.20
  4. Step 4: Simplify right side
    5,277.46x = 28,741,562.28
  5. Step 5: Solve for x
    x = 28,741,562.28/5,277.46
  6. Step 6: Final answer
    x = 5,446.10

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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.