Home / 4,515.13-6,231.85-2,747.31

Finding the Fourth Proportional to 4,515.13, 6,231.85 and 2,747.31

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Solution

The fourth proportional to 4,515.13, 6,231.85 and 2,747.31 is: 3,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.13 : 6,231.85 = 2,747.31 : x
  2. Step 2: Convert to fraction form
    4,515.13/6,231.85 = 2,747.31/x
  3. Step 3: Cross multiply
    4,515.13x = 6,231.85 × 2,747.31
  4. Step 4: Simplify right side
    4,515.13x = 17,120,809.04
  5. Step 5: Solve for x
    x = 17,120,809.04/4,515.13
  6. Step 6: Final answer
    x = 3,791.87

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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.