Home / 5,118.44-7,672.12-2,480.36

Finding the Fourth Proportional to 5,118.44, 7,672.12 and 2,480.36

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Solution

The fourth proportional to 5,118.44, 7,672.12 and 2,480.36 is: 3,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.44 : 7,672.12 = 2,480.36 : x
  2. Step 2: Convert to fraction form
    5,118.44/7,672.12 = 2,480.36/x
  3. Step 3: Cross multiply
    5,118.44x = 7,672.12 × 2,480.36
  4. Step 4: Simplify right side
    5,118.44x = 19,029,619.56
  5. Step 5: Solve for x
    x = 19,029,619.56/5,118.44
  6. Step 6: Final answer
    x = 3,717.86

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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.