Home / 5,375.45-7,418.13-3,017.61

Finding the Fourth Proportional to 5,375.45, 7,418.13 and 3,017.61

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Solution

The fourth proportional to 5,375.45, 7,418.13 and 3,017.61 is: 4,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.45 : 7,418.13 = 3,017.61 : x
  2. Step 2: Convert to fraction form
    5,375.45/7,418.13 = 3,017.61/x
  3. Step 3: Cross multiply
    5,375.45x = 7,418.13 × 3,017.61
  4. Step 4: Simplify right side
    5,375.45x = 22,385,028.93
  5. Step 5: Solve for x
    x = 22,385,028.93/5,375.45
  6. Step 6: Final answer
    x = 4,164.31

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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.