Home / 4,144.60-6,213.18-2,919.88

Finding the Fourth Proportional to 4,144.60, 6,213.18 and 2,919.88

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Solution

The fourth proportional to 4,144.60, 6,213.18 and 2,919.88 is: 4,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.60 : 6,213.18 = 2,919.88 : x
  2. Step 2: Convert to fraction form
    4,144.60/6,213.18 = 2,919.88/x
  3. Step 3: Cross multiply
    4,144.60x = 6,213.18 × 2,919.88
  4. Step 4: Simplify right side
    4,144.60x = 18,141,740.02
  5. Step 5: Solve for x
    x = 18,141,740.02/4,144.60
  6. Step 6: Final answer
    x = 4,377.20

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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.