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Finding the Fourth Proportional to 9,126.01, 13,691.01 and 3,579.85

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Solution

The fourth proportional to 9,126.01, 13,691.01 and 3,579.85 is: 5,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.01 : 13,691.01 = 3,579.85 : x
  2. Step 2: Convert to fraction form
    9,126.01/13,691.01 = 3,579.85/x
  3. Step 3: Cross multiply
    9,126.01x = 13,691.01 × 3,579.85
  4. Step 4: Simplify right side
    9,126.01x = 49,011,762.15
  5. Step 5: Solve for x
    x = 49,011,762.15/9,126.01
  6. Step 6: Final answer
    x = 5,370.56

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1.5x scale

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.