Home / 7,839.30-11,759.00-1,995.92

Finding the Fourth Proportional to 7,839.30, 11,759.00 and 1,995.92

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Solution

The fourth proportional to 7,839.30, 11,759.00 and 1,995.92 is: 2,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.30 : 11,759.00 = 1,995.92 : x
  2. Step 2: Convert to fraction form
    7,839.30/11,759.00 = 1,995.92/x
  3. Step 3: Cross multiply
    7,839.30x = 11,759.00 × 1,995.92
  4. Step 4: Simplify right side
    7,839.30x = 23,469,954.51
  5. Step 5: Solve for x
    x = 23,469,954.51/7,839.30
  6. Step 6: Final answer
    x = 2,993.88

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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.