Home / 5,440.82-8,160.72-2,519.14

Finding the Fourth Proportional to 5,440.82, 8,160.72 and 2,519.14

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Solution

The fourth proportional to 5,440.82, 8,160.72 and 2,519.14 is: 3,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.82 : 8,160.72 = 2,519.14 : x
  2. Step 2: Convert to fraction form
    5,440.82/8,160.72 = 2,519.14/x
  3. Step 3: Cross multiply
    5,440.82x = 8,160.72 × 2,519.14
  4. Step 4: Simplify right side
    5,440.82x = 20,557,996.18
  5. Step 5: Solve for x
    x = 20,557,996.18/5,440.82
  6. Step 6: Final answer
    x = 3,778.47

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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.