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Finding the Fourth Proportional to 5,081.87, 7,013.27 and 2,843.87

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Solution

The fourth proportional to 5,081.87, 7,013.27 and 2,843.87 is: 3,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.87 : 7,013.27 = 2,843.87 : x
  2. Step 2: Convert to fraction form
    5,081.87/7,013.27 = 2,843.87/x
  3. Step 3: Cross multiply
    5,081.87x = 7,013.27 × 2,843.87
  4. Step 4: Simplify right side
    5,081.87x = 19,944,800.20
  5. Step 5: Solve for x
    x = 19,944,800.20/5,081.87
  6. Step 6: Final answer
    x = 3,924.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.