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Finding the Fourth Proportional to 7,958.17, 11,937.26 and 2,764.09

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Solution

The fourth proportional to 7,958.17, 11,937.26 and 2,764.09 is: 4,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.17 : 11,937.26 = 2,764.09 : x
  2. Step 2: Convert to fraction form
    7,958.17/11,937.26 = 2,764.09/x
  3. Step 3: Cross multiply
    7,958.17x = 11,937.26 × 2,764.09
  4. Step 4: Simplify right side
    7,958.17x = 32,995,660.99
  5. Step 5: Solve for x
    x = 32,995,660.99/7,958.17
  6. Step 6: Final answer
    x = 4,146.14

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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.