Home / 8,124.43-12,185.11-3,960.26

Finding the Fourth Proportional to 8,124.43, 12,185.11 and 3,960.26

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Solution

The fourth proportional to 8,124.43, 12,185.11 and 3,960.26 is: 5,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.43 : 12,185.11 = 3,960.26 : x
  2. Step 2: Convert to fraction form
    8,124.43/12,185.11 = 3,960.26/x
  3. Step 3: Cross multiply
    8,124.43x = 12,185.11 × 3,960.26
  4. Step 4: Simplify right side
    8,124.43x = 48,256,203.73
  5. Step 5: Solve for x
    x = 48,256,203.73/8,124.43
  6. Step 6: Final answer
    x = 5,939.64

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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.