Home / 8,109.26-12,164.48-2,843.67

Finding the Fourth Proportional to 8,109.26, 12,164.48 and 2,843.67

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Solution

The fourth proportional to 8,109.26, 12,164.48 and 2,843.67 is: 4,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.26 : 12,164.48 = 2,843.67 : x
  2. Step 2: Convert to fraction form
    8,109.26/12,164.48 = 2,843.67/x
  3. Step 3: Cross multiply
    8,109.26x = 12,164.48 × 2,843.67
  4. Step 4: Simplify right side
    8,109.26x = 34,591,752.62
  5. Step 5: Solve for x
    x = 34,591,752.62/8,109.26
  6. Step 6: Final answer
    x = 4,265.71

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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.