Home / 7,132.11-10,690.97-2,974.42

Finding the Fourth Proportional to 7,132.11, 10,690.97 and 2,974.42

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Solution

The fourth proportional to 7,132.11, 10,690.97 and 2,974.42 is: 4,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.11 : 10,690.97 = 2,974.42 : x
  2. Step 2: Convert to fraction form
    7,132.11/10,690.97 = 2,974.42/x
  3. Step 3: Cross multiply
    7,132.11x = 10,690.97 × 2,974.42
  4. Step 4: Simplify right side
    7,132.11x = 31,799,415.70
  5. Step 5: Solve for x
    x = 31,799,415.70/7,132.11
  6. Step 6: Final answer
    x = 4,458.63

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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.