Home / 8,717.25-13,067.91-3,168.21

Finding the Fourth Proportional to 8,717.25, 13,067.91 and 3,168.21

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Solution

The fourth proportional to 8,717.25, 13,067.91 and 3,168.21 is: 4,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.25 : 13,067.91 = 3,168.21 : x
  2. Step 2: Convert to fraction form
    8,717.25/13,067.91 = 3,168.21/x
  3. Step 3: Cross multiply
    8,717.25x = 13,067.91 × 3,168.21
  4. Step 4: Simplify right side
    8,717.25x = 41,401,883.14
  5. Step 5: Solve for x
    x = 41,401,883.14/8,717.25
  6. Step 6: Final answer
    x = 4,749.42

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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.