Home / 3,891.11-5,363.33-2,757.16

Finding the Fourth Proportional to 3,891.11, 5,363.33 and 2,757.16

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Solution

The fourth proportional to 3,891.11, 5,363.33 and 2,757.16 is: 3,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.11 : 5,363.33 = 2,757.16 : x
  2. Step 2: Convert to fraction form
    3,891.11/5,363.33 = 2,757.16/x
  3. Step 3: Cross multiply
    3,891.11x = 5,363.33 × 2,757.16
  4. Step 4: Simplify right side
    3,891.11x = 14,787,552.14
  5. Step 5: Solve for x
    x = 14,787,552.14/3,891.11
  6. Step 6: Final answer
    x = 3,800.34

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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.