Home / 8,341.26-12,512.37-3,147.18

Finding the Fourth Proportional to 8,341.26, 12,512.37 and 3,147.18

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Solution

The fourth proportional to 8,341.26, 12,512.37 and 3,147.18 is: 4,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.26 : 12,512.37 = 3,147.18 : x
  2. Step 2: Convert to fraction form
    8,341.26/12,512.37 = 3,147.18/x
  3. Step 3: Cross multiply
    8,341.26x = 12,512.37 × 3,147.18
  4. Step 4: Simplify right side
    8,341.26x = 39,378,680.62
  5. Step 5: Solve for x
    x = 39,378,680.62/8,341.26
  6. Step 6: Final answer
    x = 4,720.95

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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.