Home / 5,177.22-7,138.38-4,229.52

Finding the Fourth Proportional to 5,177.22, 7,138.38 and 4,229.52

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Solution

The fourth proportional to 5,177.22, 7,138.38 and 4,229.52 is: 5,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.22 : 7,138.38 = 4,229.52 : x
  2. Step 2: Convert to fraction form
    5,177.22/7,138.38 = 4,229.52/x
  3. Step 3: Cross multiply
    5,177.22x = 7,138.38 × 4,229.52
  4. Step 4: Simplify right side
    5,177.22x = 30,191,920.98
  5. Step 5: Solve for x
    x = 30,191,920.98/5,177.22
  6. Step 6: Final answer
    x = 5,831.69

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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.