Home / 4,195.52-5,782.56-3,145.76

Finding the Fourth Proportional to 4,195.52, 5,782.56 and 3,145.76

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Solution

The fourth proportional to 4,195.52, 5,782.56 and 3,145.76 is: 4,335.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.52 : 5,782.56 = 3,145.76 : x
  2. Step 2: Convert to fraction form
    4,195.52/5,782.56 = 3,145.76/x
  3. Step 3: Cross multiply
    4,195.52x = 5,782.56 × 3,145.76
  4. Step 4: Simplify right side
    4,195.52x = 18,190,545.95
  5. Step 5: Solve for x
    x = 18,190,545.95/4,195.52
  6. Step 6: Final answer
    x = 4,335.71

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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.