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Finding the Fourth Proportional to 5,082.74, 7,618.94 and 3,439.45

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Solution

The fourth proportional to 5,082.74, 7,618.94 and 3,439.45 is: 5,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.74 : 7,618.94 = 3,439.45 : x
  2. Step 2: Convert to fraction form
    5,082.74/7,618.94 = 3,439.45/x
  3. Step 3: Cross multiply
    5,082.74x = 7,618.94 × 3,439.45
  4. Step 4: Simplify right side
    5,082.74x = 26,204,963.18
  5. Step 5: Solve for x
    x = 26,204,963.18/5,082.74
  6. Step 6: Final answer
    x = 5,155.68

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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.