Home / 8,067.05-12,091.51-4,107.20

Finding the Fourth Proportional to 8,067.05, 12,091.51 and 4,107.20

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Solution

The fourth proportional to 8,067.05, 12,091.51 and 4,107.20 is: 6,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.05 : 12,091.51 = 4,107.20 : x
  2. Step 2: Convert to fraction form
    8,067.05/12,091.51 = 4,107.20/x
  3. Step 3: Cross multiply
    8,067.05x = 12,091.51 × 4,107.20
  4. Step 4: Simplify right side
    8,067.05x = 49,662,186.85
  5. Step 5: Solve for x
    x = 49,662,186.85/8,067.05
  6. Step 6: Final answer
    x = 6,156.17

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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.