Home / 4,161.78-6,227.03-2,489.75

Finding the Fourth Proportional to 4,161.78, 6,227.03 and 2,489.75

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Solution

The fourth proportional to 4,161.78, 6,227.03 and 2,489.75 is: 3,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.78 : 6,227.03 = 2,489.75 : x
  2. Step 2: Convert to fraction form
    4,161.78/6,227.03 = 2,489.75/x
  3. Step 3: Cross multiply
    4,161.78x = 6,227.03 × 2,489.75
  4. Step 4: Simplify right side
    4,161.78x = 15,503,747.94
  5. Step 5: Solve for x
    x = 15,503,747.94/4,161.78
  6. Step 6: Final answer
    x = 3,725.27

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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.