Home / 8,375.96-12,555.12-2,824.04

Finding the Fourth Proportional to 8,375.96, 12,555.12 and 2,824.04

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Solution

The fourth proportional to 8,375.96, 12,555.12 and 2,824.04 is: 4,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.96 : 12,555.12 = 2,824.04 : x
  2. Step 2: Convert to fraction form
    8,375.96/12,555.12 = 2,824.04/x
  3. Step 3: Cross multiply
    8,375.96x = 12,555.12 × 2,824.04
  4. Step 4: Simplify right side
    8,375.96x = 35,456,161.08
  5. Step 5: Solve for x
    x = 35,456,161.08/8,375.96
  6. Step 6: Final answer
    x = 4,233.09

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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.