Home / 8,423.24-12,636.12-2,722.30

Finding the Fourth Proportional to 8,423.24, 12,636.12 and 2,722.30

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Solution

The fourth proportional to 8,423.24, 12,636.12 and 2,722.30 is: 4,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.24 : 12,636.12 = 2,722.30 : x
  2. Step 2: Convert to fraction form
    8,423.24/12,636.12 = 2,722.30/x
  3. Step 3: Cross multiply
    8,423.24x = 12,636.12 × 2,722.30
  4. Step 4: Simplify right side
    8,423.24x = 34,399,232.68
  5. Step 5: Solve for x
    x = 34,399,232.68/8,423.24
  6. Step 6: Final answer
    x = 4,083.85

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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.