Home / 4,147.26-5,725.98-3,882.78

Finding the Fourth Proportional to 4,147.26, 5,725.98 and 3,882.78

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Solution

The fourth proportional to 4,147.26, 5,725.98 and 3,882.78 is: 5,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.26 : 5,725.98 = 3,882.78 : x
  2. Step 2: Convert to fraction form
    4,147.26/5,725.98 = 3,882.78/x
  3. Step 3: Cross multiply
    4,147.26x = 5,725.98 × 3,882.78
  4. Step 4: Simplify right side
    4,147.26x = 22,232,720.62
  5. Step 5: Solve for x
    x = 22,232,720.62/4,147.26
  6. Step 6: Final answer
    x = 5,360.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.