Home / 7,839.38-11,758.88-1,996

Finding the Fourth Proportional to 7,839.38, 11,758.88 and 1,996

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Solution

The fourth proportional to 7,839.38, 11,758.88 and 1,996 is: 2,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.38 : 11,758.88 = 1,996 : x
  2. Step 2: Convert to fraction form
    7,839.38/11,758.88 = 1,996/x
  3. Step 3: Cross multiply
    7,839.38x = 11,758.88 × 1,996
  4. Step 4: Simplify right side
    7,839.38x = 23,470,724.48
  5. Step 5: Solve for x
    x = 23,470,724.48/7,839.38
  6. Step 6: Final answer
    x = 2,993.95

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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.