Home / 7,997.22-11,997.72-3,066.75

Finding the Fourth Proportional to 7,997.22, 11,997.72 and 3,066.75

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Solution

The fourth proportional to 7,997.22, 11,997.72 and 3,066.75 is: 4,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.22 : 11,997.72 = 3,066.75 : x
  2. Step 2: Convert to fraction form
    7,997.22/11,997.72 = 3,066.75/x
  3. Step 3: Cross multiply
    7,997.22x = 11,997.72 × 3,066.75
  4. Step 4: Simplify right side
    7,997.22x = 36,794,007.81
  5. Step 5: Solve for x
    x = 36,794,007.81/7,997.22
  6. Step 6: Final answer
    x = 4,600.85

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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.