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Finding the Fourth Proportional to 6,604.90, 9,114.82 and 3,620.79

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Solution

The fourth proportional to 6,604.90, 9,114.82 and 3,620.79 is: 4,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.90 : 9,114.82 = 3,620.79 : x
  2. Step 2: Convert to fraction form
    6,604.90/9,114.82 = 3,620.79/x
  3. Step 3: Cross multiply
    6,604.90x = 9,114.82 × 3,620.79
  4. Step 4: Simplify right side
    6,604.90x = 33,002,849.11
  5. Step 5: Solve for x
    x = 33,002,849.11/6,604.90
  6. Step 6: Final answer
    x = 4,996.73

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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.