Home / 7,958.11-11,937.17-2,114.57

Finding the Fourth Proportional to 7,958.11, 11,937.17 and 2,114.57

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Solution

The fourth proportional to 7,958.11, 11,937.17 and 2,114.57 is: 3,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.11 : 11,937.17 = 2,114.57 : x
  2. Step 2: Convert to fraction form
    7,958.11/11,937.17 = 2,114.57/x
  3. Step 3: Cross multiply
    7,958.11x = 11,937.17 × 2,114.57
  4. Step 4: Simplify right side
    7,958.11x = 25,241,981.57
  5. Step 5: Solve for x
    x = 25,241,981.57/7,958.11
  6. Step 6: Final answer
    x = 3,171.86

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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.