Home / 6,851.20-10,273.74-2,169.88

Finding the Fourth Proportional to 6,851.20, 10,273.74 and 2,169.88

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Solution

The fourth proportional to 6,851.20, 10,273.74 and 2,169.88 is: 3,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.20 : 10,273.74 = 2,169.88 : x
  2. Step 2: Convert to fraction form
    6,851.20/10,273.74 = 2,169.88/x
  3. Step 3: Cross multiply
    6,851.20x = 10,273.74 × 2,169.88
  4. Step 4: Simplify right side
    6,851.20x = 22,292,782.95
  5. Step 5: Solve for x
    x = 22,292,782.95/6,851.20
  6. Step 6: Final answer
    x = 3,253.85

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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.