Home / 4,320.20-6,481.20-2,469.80

Finding the Fourth Proportional to 4,320.20, 6,481.20 and 2,469.80

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Solution

The fourth proportional to 4,320.20, 6,481.20 and 2,469.80 is: 3,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.20 : 6,481.20 = 2,469.80 : x
  2. Step 2: Convert to fraction form
    4,320.20/6,481.20 = 2,469.80/x
  3. Step 3: Cross multiply
    4,320.20x = 6,481.20 × 2,469.80
  4. Step 4: Simplify right side
    4,320.20x = 16,007,267.76
  5. Step 5: Solve for x
    x = 16,007,267.76/4,320.20
  6. Step 6: Final answer
    x = 3,705.21

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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.