Home / 4,145.62-5,713.34-3,882.58

Finding the Fourth Proportional to 4,145.62, 5,713.34 and 3,882.58

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Solution

The fourth proportional to 4,145.62, 5,713.34 and 3,882.58 is: 5,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.62 : 5,713.34 = 3,882.58 : x
  2. Step 2: Convert to fraction form
    4,145.62/5,713.34 = 3,882.58/x
  3. Step 3: Cross multiply
    4,145.62x = 5,713.34 × 3,882.58
  4. Step 4: Simplify right side
    4,145.62x = 22,182,465.92
  5. Step 5: Solve for x
    x = 22,182,465.92/4,145.62
  6. Step 6: Final answer
    x = 5,350.82

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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.