Home / 5,380.32-8,067.35-2,089.57

Finding the Fourth Proportional to 5,380.32, 8,067.35 and 2,089.57

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Solution

The fourth proportional to 5,380.32, 8,067.35 and 2,089.57 is: 3,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.32 : 8,067.35 = 2,089.57 : x
  2. Step 2: Convert to fraction form
    5,380.32/8,067.35 = 2,089.57/x
  3. Step 3: Cross multiply
    5,380.32x = 8,067.35 × 2,089.57
  4. Step 4: Simplify right side
    5,380.32x = 16,857,292.54
  5. Step 5: Solve for x
    x = 16,857,292.54/5,380.32
  6. Step 6: Final answer
    x = 3,133.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.