Home / 5,375.43-7,418.79-3,018.33

Finding the Fourth Proportional to 5,375.43, 7,418.79 and 3,018.33

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Solution

The fourth proportional to 5,375.43, 7,418.79 and 3,018.33 is: 4,165.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.43 : 7,418.79 = 3,018.33 : x
  2. Step 2: Convert to fraction form
    5,375.43/7,418.79 = 3,018.33/x
  3. Step 3: Cross multiply
    5,375.43x = 7,418.79 × 3,018.33
  4. Step 4: Simplify right side
    5,375.43x = 22,392,356.42
  5. Step 5: Solve for x
    x = 22,392,356.42/5,375.43
  6. Step 6: Final answer
    x = 4,165.69

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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.