Home / 4,139.55-6,212.43-2,581.83

Finding the Fourth Proportional to 4,139.55, 6,212.43 and 2,581.83

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Solution

The fourth proportional to 4,139.55, 6,212.43 and 2,581.83 is: 3,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.55 : 6,212.43 = 2,581.83 : x
  2. Step 2: Convert to fraction form
    4,139.55/6,212.43 = 2,581.83/x
  3. Step 3: Cross multiply
    4,139.55x = 6,212.43 × 2,581.83
  4. Step 4: Simplify right side
    4,139.55x = 16,039,438.15
  5. Step 5: Solve for x
    x = 16,039,438.15/4,139.55
  6. Step 6: Final answer
    x = 3,874.68

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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.