Home / 4,138.83-6,209.33-2,505.87

Finding the Fourth Proportional to 4,138.83, 6,209.33 and 2,505.87

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Solution

The fourth proportional to 4,138.83, 6,209.33 and 2,505.87 is: 3,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.83 : 6,209.33 = 2,505.87 : x
  2. Step 2: Convert to fraction form
    4,138.83/6,209.33 = 2,505.87/x
  3. Step 3: Cross multiply
    4,138.83x = 6,209.33 × 2,505.87
  4. Step 4: Simplify right side
    4,138.83x = 15,559,761.24
  5. Step 5: Solve for x
    x = 15,559,761.24/4,138.83
  6. Step 6: Final answer
    x = 3,759.46

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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.