Home / 4,118.20-6,181.35-2,040.55

Finding the Fourth Proportional to 4,118.20, 6,181.35 and 2,040.55

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Solution

The fourth proportional to 4,118.20, 6,181.35 and 2,040.55 is: 3,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.20 : 6,181.35 = 2,040.55 : x
  2. Step 2: Convert to fraction form
    4,118.20/6,181.35 = 2,040.55/x
  3. Step 3: Cross multiply
    4,118.20x = 6,181.35 × 2,040.55
  4. Step 4: Simplify right side
    4,118.20x = 12,613,353.74
  5. Step 5: Solve for x
    x = 12,613,353.74/4,118.20
  6. Step 6: Final answer
    x = 3,062.83

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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.