Home / 6,819.20-10,227.52-4,080

Finding the Fourth Proportional to 6,819.20, 10,227.52 and 4,080

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Solution

The fourth proportional to 6,819.20, 10,227.52 and 4,080 is: 6,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.20 : 10,227.52 = 4,080 : x
  2. Step 2: Convert to fraction form
    6,819.20/10,227.52 = 4,080/x
  3. Step 3: Cross multiply
    6,819.20x = 10,227.52 × 4,080
  4. Step 4: Simplify right side
    6,819.20x = 41,728,281.60
  5. Step 5: Solve for x
    x = 41,728,281.60/6,819.20
  6. Step 6: Final answer
    x = 6,119.23

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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.