Home / 7,963.26-11,945.10-2,119.88

Finding the Fourth Proportional to 7,963.26, 11,945.10 and 2,119.88

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Solution

The fourth proportional to 7,963.26, 11,945.10 and 2,119.88 is: 3,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.26 : 11,945.10 = 2,119.88 : x
  2. Step 2: Convert to fraction form
    7,963.26/11,945.10 = 2,119.88/x
  3. Step 3: Cross multiply
    7,963.26x = 11,945.10 × 2,119.88
  4. Step 4: Simplify right side
    7,963.26x = 25,322,178.59
  5. Step 5: Solve for x
    x = 25,322,178.59/7,963.26
  6. Step 6: Final answer
    x = 3,179.88

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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.