Home / 5,519.38-7,616.76-3,001.51

Finding the Fourth Proportional to 5,519.38, 7,616.76 and 3,001.51

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Solution

The fourth proportional to 5,519.38, 7,616.76 and 3,001.51 is: 4,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.38 : 7,616.76 = 3,001.51 : x
  2. Step 2: Convert to fraction form
    5,519.38/7,616.76 = 3,001.51/x
  3. Step 3: Cross multiply
    5,519.38x = 7,616.76 × 3,001.51
  4. Step 4: Simplify right side
    5,519.38x = 22,861,781.31
  5. Step 5: Solve for x
    x = 22,861,781.31/5,519.38
  6. Step 6: Final answer
    x = 4,142.09

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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.