Home / 8,423.24-12,626.06-2,874.65

Finding the Fourth Proportional to 8,423.24, 12,626.06 and 2,874.65

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Solution

The fourth proportional to 8,423.24, 12,626.06 and 2,874.65 is: 4,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.24 : 12,626.06 = 2,874.65 : x
  2. Step 2: Convert to fraction form
    8,423.24/12,626.06 = 2,874.65/x
  3. Step 3: Cross multiply
    8,423.24x = 12,626.06 × 2,874.65
  4. Step 4: Simplify right side
    8,423.24x = 36,295,425.88
  5. Step 5: Solve for x
    x = 36,295,425.88/8,423.24
  6. Step 6: Final answer
    x = 4,308.97

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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.