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Finding the Fourth Proportional to 7,967.80, 11,944.24 and 2,699.14

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Solution

The fourth proportional to 7,967.80, 11,944.24 and 2,699.14 is: 4,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.80 : 11,944.24 = 2,699.14 : x
  2. Step 2: Convert to fraction form
    7,967.80/11,944.24 = 2,699.14/x
  3. Step 3: Cross multiply
    7,967.80x = 11,944.24 × 2,699.14
  4. Step 4: Simplify right side
    7,967.80x = 32,239,175.95
  5. Step 5: Solve for x
    x = 32,239,175.95/7,967.80
  6. Step 6: Final answer
    x = 4,046.18

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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.