Home / 4,147.11-5,725.13-3,200.77

Finding the Fourth Proportional to 4,147.11, 5,725.13 and 3,200.77

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Solution

The fourth proportional to 4,147.11, 5,725.13 and 3,200.77 is: 4,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.11 : 5,725.13 = 3,200.77 : x
  2. Step 2: Convert to fraction form
    4,147.11/5,725.13 = 3,200.77/x
  3. Step 3: Cross multiply
    4,147.11x = 5,725.13 × 3,200.77
  4. Step 4: Simplify right side
    4,147.11x = 18,324,824.35
  5. Step 5: Solve for x
    x = 18,324,824.35/4,147.11
  6. Step 6: Final answer
    x = 4,418.70

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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.