Home / 7,742.33-11,613.49-2,195.72

Finding the Fourth Proportional to 7,742.33, 11,613.49 and 2,195.72

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Solution

The fourth proportional to 7,742.33, 11,613.49 and 2,195.72 is: 3,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.33 : 11,613.49 = 2,195.72 : x
  2. Step 2: Convert to fraction form
    7,742.33/11,613.49 = 2,195.72/x
  3. Step 3: Cross multiply
    7,742.33x = 11,613.49 × 2,195.72
  4. Step 4: Simplify right side
    7,742.33x = 25,499,937.74
  5. Step 5: Solve for x
    x = 25,499,937.74/7,742.33
  6. Step 6: Final answer
    x = 3,293.58

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Double scale
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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.