Home / 8,775.38-13,162.91-3,226.56

Finding the Fourth Proportional to 8,775.38, 13,162.91 and 3,226.56

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Solution

The fourth proportional to 8,775.38, 13,162.91 and 3,226.56 is: 4,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.38 : 13,162.91 = 3,226.56 : x
  2. Step 2: Convert to fraction form
    8,775.38/13,162.91 = 3,226.56/x
  3. Step 3: Cross multiply
    8,775.38x = 13,162.91 × 3,226.56
  4. Step 4: Simplify right side
    8,775.38x = 42,470,902.76
  5. Step 5: Solve for x
    x = 42,470,902.76/8,775.38
  6. Step 6: Final answer
    x = 4,839.78

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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.