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Finding the Fourth Proportional to 5,173.92, 7,140.17 and 2,935.89

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Solution

The fourth proportional to 5,173.92, 7,140.17 and 2,935.89 is: 4,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.92 : 7,140.17 = 2,935.89 : x
  2. Step 2: Convert to fraction form
    5,173.92/7,140.17 = 2,935.89/x
  3. Step 3: Cross multiply
    5,173.92x = 7,140.17 × 2,935.89
  4. Step 4: Simplify right side
    5,173.92x = 20,962,753.70
  5. Step 5: Solve for x
    x = 20,962,753.70/5,173.92
  6. Step 6: Final answer
    x = 4,051.62

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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.