Home / 4,138.52-6,215.25-2,581.55

Finding the Fourth Proportional to 4,138.52, 6,215.25 and 2,581.55

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Solution

The fourth proportional to 4,138.52, 6,215.25 and 2,581.55 is: 3,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.52 : 6,215.25 = 2,581.55 : x
  2. Step 2: Convert to fraction form
    4,138.52/6,215.25 = 2,581.55/x
  3. Step 3: Cross multiply
    4,138.52x = 6,215.25 × 2,581.55
  4. Step 4: Simplify right side
    4,138.52x = 16,044,947.56
  5. Step 5: Solve for x
    x = 16,044,947.56/4,138.52
  6. Step 6: Final answer
    x = 3,876.98

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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.