Home / 7,126.44-10,685.72-2,194.70

Finding the Fourth Proportional to 7,126.44, 10,685.72 and 2,194.70

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Solution

The fourth proportional to 7,126.44, 10,685.72 and 2,194.70 is: 3,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.44 : 10,685.72 = 2,194.70 : x
  2. Step 2: Convert to fraction form
    7,126.44/10,685.72 = 2,194.70/x
  3. Step 3: Cross multiply
    7,126.44x = 10,685.72 × 2,194.70
  4. Step 4: Simplify right side
    7,126.44x = 23,451,949.68
  5. Step 5: Solve for x
    x = 23,451,949.68/7,126.44
  6. Step 6: Final answer
    x = 3,290.84

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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.