Home / 6,819.28-10,222.08-4,356.88

Finding the Fourth Proportional to 6,819.28, 10,222.08 and 4,356.88

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Solution

The fourth proportional to 6,819.28, 10,222.08 and 4,356.88 is: 6,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.28 : 10,222.08 = 4,356.88 : x
  2. Step 2: Convert to fraction form
    6,819.28/10,222.08 = 4,356.88/x
  3. Step 3: Cross multiply
    6,819.28x = 10,222.08 × 4,356.88
  4. Step 4: Simplify right side
    6,819.28x = 44,536,375.91
  5. Step 5: Solve for x
    x = 44,536,375.91/6,819.28
  6. Step 6: Final answer
    x = 6,530.95

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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.