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Finding the Fourth Proportional to 6,819.58, 10,227.19 and 2,201.50

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Solution

The fourth proportional to 6,819.58, 10,227.19 and 2,201.50 is: 3,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.58 : 10,227.19 = 2,201.50 : x
  2. Step 2: Convert to fraction form
    6,819.58/10,227.19 = 2,201.50/x
  3. Step 3: Cross multiply
    6,819.58x = 10,227.19 × 2,201.50
  4. Step 4: Simplify right side
    6,819.58x = 22,515,158.79
  5. Step 5: Solve for x
    x = 22,515,158.79/6,819.58
  6. Step 6: Final answer
    x = 3,301.55

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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.