Home / 7,839.18-11,759.87-2,292.94

Finding the Fourth Proportional to 7,839.18, 11,759.87 and 2,292.94

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Solution

The fourth proportional to 7,839.18, 11,759.87 and 2,292.94 is: 3,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.18 : 11,759.87 = 2,292.94 : x
  2. Step 2: Convert to fraction form
    7,839.18/11,759.87 = 2,292.94/x
  3. Step 3: Cross multiply
    7,839.18x = 11,759.87 × 2,292.94
  4. Step 4: Simplify right side
    7,839.18x = 26,964,635.45
  5. Step 5: Solve for x
    x = 26,964,635.45/7,839.18
  6. Step 6: Final answer
    x = 3,439.73

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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.