Home / 7,997.43-11,996.30-2,154.20

Finding the Fourth Proportional to 7,997.43, 11,996.30 and 2,154.20

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Solution

The fourth proportional to 7,997.43, 11,996.30 and 2,154.20 is: 3,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.43 : 11,996.30 = 2,154.20 : x
  2. Step 2: Convert to fraction form
    7,997.43/11,996.30 = 2,154.20/x
  3. Step 3: Cross multiply
    7,997.43x = 11,996.30 × 2,154.20
  4. Step 4: Simplify right side
    7,997.43x = 25,842,374.86
  5. Step 5: Solve for x
    x = 25,842,374.86/7,997.43
  6. Step 6: Final answer
    x = 3,231.33

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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.