Home / 7,191.96-10,788.53-1,997.85

Finding the Fourth Proportional to 7,191.96, 10,788.53 and 1,997.85

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Solution

The fourth proportional to 7,191.96, 10,788.53 and 1,997.85 is: 2,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.96 : 10,788.53 = 1,997.85 : x
  2. Step 2: Convert to fraction form
    7,191.96/10,788.53 = 1,997.85/x
  3. Step 3: Cross multiply
    7,191.96x = 10,788.53 × 1,997.85
  4. Step 4: Simplify right side
    7,191.96x = 21,553,864.66
  5. Step 5: Solve for x
    x = 21,553,864.66/7,191.96
  6. Step 6: Final answer
    x = 2,996.94

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Similar ratio
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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.