Home / 5,169.68-7,135.72-3,514.64

Finding the Fourth Proportional to 5,169.68, 7,135.72 and 3,514.64

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Solution

The fourth proportional to 5,169.68, 7,135.72 and 3,514.64 is: 4,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.68 : 7,135.72 = 3,514.64 : x
  2. Step 2: Convert to fraction form
    5,169.68/7,135.72 = 3,514.64/x
  3. Step 3: Cross multiply
    5,169.68x = 7,135.72 × 3,514.64
  4. Step 4: Simplify right side
    5,169.68x = 25,079,486.94
  5. Step 5: Solve for x
    x = 25,079,486.94/5,169.68
  6. Step 6: Final answer
    x = 4,851.26

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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.