Home / 6,351.20-9,519.98-2,650.64

Finding the Fourth Proportional to 6,351.20, 9,519.98 and 2,650.64

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Solution

The fourth proportional to 6,351.20, 9,519.98 and 2,650.64 is: 3,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.20 : 9,519.98 = 2,650.64 : x
  2. Step 2: Convert to fraction form
    6,351.20/9,519.98 = 2,650.64/x
  3. Step 3: Cross multiply
    6,351.20x = 9,519.98 × 2,650.64
  4. Step 4: Simplify right side
    6,351.20x = 25,234,039.79
  5. Step 5: Solve for x
    x = 25,234,039.79/6,351.20
  6. Step 6: Final answer
    x = 3,973.11

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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.