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Finding the Fourth Proportional to 5,340.54, 7,369.04 and 2,982.70

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Solution

The fourth proportional to 5,340.54, 7,369.04 and 2,982.70 is: 4,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.54 : 7,369.04 = 2,982.70 : x
  2. Step 2: Convert to fraction form
    5,340.54/7,369.04 = 2,982.70/x
  3. Step 3: Cross multiply
    5,340.54x = 7,369.04 × 2,982.70
  4. Step 4: Simplify right side
    5,340.54x = 21,979,635.61
  5. Step 5: Solve for x
    x = 21,979,635.61/5,340.54
  6. Step 6: Final answer
    x = 4,115.62

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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.