Home / 8,123.43-12,183.62-3,959.26

Finding the Fourth Proportional to 8,123.43, 12,183.62 and 3,959.26

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Solution

The fourth proportional to 8,123.43, 12,183.62 and 3,959.26 is: 5,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.43 : 12,183.62 = 3,959.26 : x
  2. Step 2: Convert to fraction form
    8,123.43/12,183.62 = 3,959.26/x
  3. Step 3: Cross multiply
    8,123.43x = 12,183.62 × 3,959.26
  4. Step 4: Simplify right side
    8,123.43x = 48,238,069.07
  5. Step 5: Solve for x
    x = 48,238,069.07/8,123.43
  6. Step 6: Final answer
    x = 5,938.14

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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.