Home / 8,479.14-12,717.26-2,239.22

Finding the Fourth Proportional to 8,479.14, 12,717.26 and 2,239.22

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Solution

The fourth proportional to 8,479.14, 12,717.26 and 2,239.22 is: 3,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.14 : 12,717.26 = 2,239.22 : x
  2. Step 2: Convert to fraction form
    8,479.14/12,717.26 = 2,239.22/x
  3. Step 3: Cross multiply
    8,479.14x = 12,717.26 × 2,239.22
  4. Step 4: Simplify right side
    8,479.14x = 28,476,668.15
  5. Step 5: Solve for x
    x = 28,476,668.15/8,479.14
  6. Step 6: Final answer
    x = 3,358.44

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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.