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Finding the Fourth Proportional to 7,902.98, 11,843.10 and 5,806.52

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Solution

The fourth proportional to 7,902.98, 11,843.10 and 5,806.52 is: 8,701.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.98 : 11,843.10 = 5,806.52 : x
  2. Step 2: Convert to fraction form
    7,902.98/11,843.10 = 5,806.52/x
  3. Step 3: Cross multiply
    7,902.98x = 11,843.10 × 5,806.52
  4. Step 4: Simplify right side
    7,902.98x = 68,767,197.01
  5. Step 5: Solve for x
    x = 68,767,197.01/7,902.98
  6. Step 6: Final answer
    x = 8,701.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.