Home / 7,742.05-11,613.60-2,195.82

Finding the Fourth Proportional to 7,742.05, 11,613.60 and 2,195.82

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Solution

The fourth proportional to 7,742.05, 11,613.60 and 2,195.82 is: 3,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.05 : 11,613.60 = 2,195.82 : x
  2. Step 2: Convert to fraction form
    7,742.05/11,613.60 = 2,195.82/x
  3. Step 3: Cross multiply
    7,742.05x = 11,613.60 × 2,195.82
  4. Step 4: Simplify right side
    7,742.05x = 25,501,375.15
  5. Step 5: Solve for x
    x = 25,501,375.15/7,742.05
  6. Step 6: Final answer
    x = 3,293.88

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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.