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Finding the Fourth Proportional to 6,122.96, 8,449.50 and 3,604.49

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Solution

The fourth proportional to 6,122.96, 8,449.50 and 3,604.49 is: 4,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.96 : 8,449.50 = 3,604.49 : x
  2. Step 2: Convert to fraction form
    6,122.96/8,449.50 = 3,604.49/x
  3. Step 3: Cross multiply
    6,122.96x = 8,449.50 × 3,604.49
  4. Step 4: Simplify right side
    6,122.96x = 30,456,138.26
  5. Step 5: Solve for x
    x = 30,456,138.26/6,122.96
  6. Step 6: Final answer
    x = 4,974.09

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1.5x scale

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.