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Finding the Fourth Proportional to 6,727.70, 10,090.20 and 3,217.70

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Solution

The fourth proportional to 6,727.70, 10,090.20 and 3,217.70 is: 4,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,727.70 : 10,090.20 = 3,217.70 : x
  2. Step 2: Convert to fraction form
    6,727.70/10,090.20 = 3,217.70/x
  3. Step 3: Cross multiply
    6,727.70x = 10,090.20 × 3,217.70
  4. Step 4: Simplify right side
    6,727.70x = 32,467,236.54
  5. Step 5: Solve for x
    x = 32,467,236.54/6,727.70
  6. Step 6: Final answer
    x = 4,825.90

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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.