Home / 8,149.41-12,228.27-3,223.19

Finding the Fourth Proportional to 8,149.41, 12,228.27 and 3,223.19

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Solution

The fourth proportional to 8,149.41, 12,228.27 and 3,223.19 is: 4,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.41 : 12,228.27 = 3,223.19 : x
  2. Step 2: Convert to fraction form
    8,149.41/12,228.27 = 3,223.19/x
  3. Step 3: Cross multiply
    8,149.41x = 12,228.27 × 3,223.19
  4. Step 4: Simplify right side
    8,149.41x = 39,414,056.07
  5. Step 5: Solve for x
    x = 39,414,056.07/8,149.41
  6. Step 6: Final answer
    x = 4,836.43

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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.