Home / 4,247.48-5,863.92-2,756.72

Finding the Fourth Proportional to 4,247.48, 5,863.92 and 2,756.72

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Solution

The fourth proportional to 4,247.48, 5,863.92 and 2,756.72 is: 3,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.48 : 5,863.92 = 2,756.72 : x
  2. Step 2: Convert to fraction form
    4,247.48/5,863.92 = 2,756.72/x
  3. Step 3: Cross multiply
    4,247.48x = 5,863.92 × 2,756.72
  4. Step 4: Simplify right side
    4,247.48x = 16,165,185.54
  5. Step 5: Solve for x
    x = 16,165,185.54/4,247.48
  6. Step 6: Final answer
    x = 3,805.83

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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.