Home / 4,138.97-5,716.73-3,018.11

Finding the Fourth Proportional to 4,138.97, 5,716.73 and 3,018.11

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Solution

The fourth proportional to 4,138.97, 5,716.73 and 3,018.11 is: 4,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.97 : 5,716.73 = 3,018.11 : x
  2. Step 2: Convert to fraction form
    4,138.97/5,716.73 = 3,018.11/x
  3. Step 3: Cross multiply
    4,138.97x = 5,716.73 × 3,018.11
  4. Step 4: Simplify right side
    4,138.97x = 17,253,719.98
  5. Step 5: Solve for x
    x = 17,253,719.98/4,138.97
  6. Step 6: Final answer
    x = 4,168.60

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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.