Home / 7,839.92-11,757.08-2,291.84

Finding the Fourth Proportional to 7,839.92, 11,757.08 and 2,291.84

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Solution

The fourth proportional to 7,839.92, 11,757.08 and 2,291.84 is: 3,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.92 : 11,757.08 = 2,291.84 : x
  2. Step 2: Convert to fraction form
    7,839.92/11,757.08 = 2,291.84/x
  3. Step 3: Cross multiply
    7,839.92x = 11,757.08 × 2,291.84
  4. Step 4: Simplify right side
    7,839.92x = 26,945,346.23
  5. Step 5: Solve for x
    x = 26,945,346.23/7,839.92
  6. Step 6: Final answer
    x = 3,436.94

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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.