Home / 8,159.33-12,230.44-3,418.22

Finding the Fourth Proportional to 8,159.33, 12,230.44 and 3,418.22

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Solution

The fourth proportional to 8,159.33, 12,230.44 and 3,418.22 is: 5,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.33 : 12,230.44 = 3,418.22 : x
  2. Step 2: Convert to fraction form
    8,159.33/12,230.44 = 3,418.22/x
  3. Step 3: Cross multiply
    8,159.33x = 12,230.44 × 3,418.22
  4. Step 4: Simplify right side
    8,159.33x = 41,806,334.62
  5. Step 5: Solve for x
    x = 41,806,334.62/8,159.33
  6. Step 6: Final answer
    x = 5,123.75

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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.