Home / 8,149.15-12,216.43-4,256.29

Finding the Fourth Proportional to 8,149.15, 12,216.43 and 4,256.29

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Solution

The fourth proportional to 8,149.15, 12,216.43 and 4,256.29 is: 6,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.15 : 12,216.43 = 4,256.29 : x
  2. Step 2: Convert to fraction form
    8,149.15/12,216.43 = 4,256.29/x
  3. Step 3: Cross multiply
    8,149.15x = 12,216.43 × 4,256.29
  4. Step 4: Simplify right side
    8,149.15x = 51,996,668.84
  5. Step 5: Solve for x
    x = 51,996,668.84/8,149.15
  6. Step 6: Final answer
    x = 6,380.62

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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.