Home / 7,839.34-11,758.76-1,995.92

Finding the Fourth Proportional to 7,839.34, 11,758.76 and 1,995.92

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Solution

The fourth proportional to 7,839.34, 11,758.76 and 1,995.92 is: 2,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.34 : 11,758.76 = 1,995.92 : x
  2. Step 2: Convert to fraction form
    7,839.34/11,758.76 = 1,995.92/x
  3. Step 3: Cross multiply
    7,839.34x = 11,758.76 × 1,995.92
  4. Step 4: Simplify right side
    7,839.34x = 23,469,544.26
  5. Step 5: Solve for x
    x = 23,469,544.26/7,839.34
  6. Step 6: Final answer
    x = 2,993.82

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1.5x scale

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.