Home / 8,144.22-12,217.53-2,948.88

Finding the Fourth Proportional to 8,144.22, 12,217.53 and 2,948.88

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Solution

The fourth proportional to 8,144.22, 12,217.53 and 2,948.88 is: 4,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.22 : 12,217.53 = 2,948.88 : x
  2. Step 2: Convert to fraction form
    8,144.22/12,217.53 = 2,948.88/x
  3. Step 3: Cross multiply
    8,144.22x = 12,217.53 × 2,948.88
  4. Step 4: Simplify right side
    8,144.22x = 36,028,029.87
  5. Step 5: Solve for x
    x = 36,028,029.87/8,144.22
  6. Step 6: Final answer
    x = 4,423.75

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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.