Home / 3,909.14-5,876.41-3,137.59

Finding the Fourth Proportional to 3,909.14, 5,876.41 and 3,137.59

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Solution

The fourth proportional to 3,909.14, 5,876.41 and 3,137.59 is: 4,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.14 : 5,876.41 = 3,137.59 : x
  2. Step 2: Convert to fraction form
    3,909.14/5,876.41 = 3,137.59/x
  3. Step 3: Cross multiply
    3,909.14x = 5,876.41 × 3,137.59
  4. Step 4: Simplify right side
    3,909.14x = 18,437,765.25
  5. Step 5: Solve for x
    x = 18,437,765.25/3,909.14
  6. Step 6: Final answer
    x = 4,716.58

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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.