Home / 4,085.52-5,638-2,222.56

Finding the Fourth Proportional to 4,085.52, 5,638 and 2,222.56

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Solution

The fourth proportional to 4,085.52, 5,638 and 2,222.56 is: 3,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.52 : 5,638 = 2,222.56 : x
  2. Step 2: Convert to fraction form
    4,085.52/5,638 = 2,222.56/x
  3. Step 3: Cross multiply
    4,085.52x = 5,638 × 2,222.56
  4. Step 4: Simplify right side
    4,085.52x = 12,530,793.28
  5. Step 5: Solve for x
    x = 12,530,793.28/4,085.52
  6. Step 6: Final answer
    x = 3,067.12

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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.