Home / 4,520.25-6,781.50-2,439.36

Finding the Fourth Proportional to 4,520.25, 6,781.50 and 2,439.36

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Solution

The fourth proportional to 4,520.25, 6,781.50 and 2,439.36 is: 3,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.25 : 6,781.50 = 2,439.36 : x
  2. Step 2: Convert to fraction form
    4,520.25/6,781.50 = 2,439.36/x
  3. Step 3: Cross multiply
    4,520.25x = 6,781.50 × 2,439.36
  4. Step 4: Simplify right side
    4,520.25x = 16,542,519.84
  5. Step 5: Solve for x
    x = 16,542,519.84/4,520.25
  6. Step 6: Final answer
    x = 3,659.65

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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.