Home / 7,963.26-11,944.88-2,119.87

Finding the Fourth Proportional to 7,963.26, 11,944.88 and 2,119.87

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Solution

The fourth proportional to 7,963.26, 11,944.88 and 2,119.87 is: 3,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.26 : 11,944.88 = 2,119.87 : x
  2. Step 2: Convert to fraction form
    7,963.26/11,944.88 = 2,119.87/x
  3. Step 3: Cross multiply
    7,963.26x = 11,944.88 × 2,119.87
  4. Step 4: Simplify right side
    7,963.26x = 25,321,592.77
  5. Step 5: Solve for x
    x = 25,321,592.77/7,963.26
  6. Step 6: Final answer
    x = 3,179.80

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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.