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Finding the Fourth Proportional to 5,912.75, 8,151.12 and 4,651.62

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Solution

The fourth proportional to 5,912.75, 8,151.12 and 4,651.62 is: 6,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.75 : 8,151.12 = 4,651.62 : x
  2. Step 2: Convert to fraction form
    5,912.75/8,151.12 = 4,651.62/x
  3. Step 3: Cross multiply
    5,912.75x = 8,151.12 × 4,651.62
  4. Step 4: Simplify right side
    5,912.75x = 37,915,872.06
  5. Step 5: Solve for x
    x = 37,915,872.06/5,912.75
  6. Step 6: Final answer
    x = 6,412.56

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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.