Home / 8,123.04-12,183.62-2,199.65

Finding the Fourth Proportional to 8,123.04, 12,183.62 and 2,199.65

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Solution

The fourth proportional to 8,123.04, 12,183.62 and 2,199.65 is: 3,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.04 : 12,183.62 = 2,199.65 : x
  2. Step 2: Convert to fraction form
    8,123.04/12,183.62 = 2,199.65/x
  3. Step 3: Cross multiply
    8,123.04x = 12,183.62 × 2,199.65
  4. Step 4: Simplify right side
    8,123.04x = 26,799,699.73
  5. Step 5: Solve for x
    x = 26,799,699.73/8,123.04
  6. Step 6: Final answer
    x = 3,299.22

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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.