Home / 8,423.24-12,638.10-3,227.90

Finding the Fourth Proportional to 8,423.24, 12,638.10 and 3,227.90

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Solution

The fourth proportional to 8,423.24, 12,638.10 and 3,227.90 is: 4,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.24 : 12,638.10 = 3,227.90 : x
  2. Step 2: Convert to fraction form
    8,423.24/12,638.10 = 3,227.90/x
  3. Step 3: Cross multiply
    8,423.24x = 12,638.10 × 3,227.90
  4. Step 4: Simplify right side
    8,423.24x = 40,794,522.99
  5. Step 5: Solve for x
    x = 40,794,522.99/8,423.24
  6. Step 6: Final answer
    x = 4,843.09

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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.