Home / 5,207.39-7,181.65-3,691.96

Finding the Fourth Proportional to 5,207.39, 7,181.65 and 3,691.96

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Solution

The fourth proportional to 5,207.39, 7,181.65 and 3,691.96 is: 5,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.39 : 7,181.65 = 3,691.96 : x
  2. Step 2: Convert to fraction form
    5,207.39/7,181.65 = 3,691.96/x
  3. Step 3: Cross multiply
    5,207.39x = 7,181.65 × 3,691.96
  4. Step 4: Simplify right side
    5,207.39x = 26,514,351.19
  5. Step 5: Solve for x
    x = 26,514,351.19/5,207.39
  6. Step 6: Final answer
    x = 5,091.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.