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Finding the Fourth Proportional to 6,247, 8,620.90 and 3,452.60

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Solution

The fourth proportional to 6,247, 8,620.90 and 3,452.60 is: 4,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247 : 8,620.90 = 3,452.60 : x
  2. Step 2: Convert to fraction form
    6,247/8,620.90 = 3,452.60/x
  3. Step 3: Cross multiply
    6,247x = 8,620.90 × 3,452.60
  4. Step 4: Simplify right side
    6,247x = 29,764,519.34
  5. Step 5: Solve for x
    x = 29,764,519.34/6,247
  6. Step 6: Final answer
    x = 4,764.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.