Home / 8,776.06-13,150.25-3,221.76

Finding the Fourth Proportional to 8,776.06, 13,150.25 and 3,221.76

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Solution

The fourth proportional to 8,776.06, 13,150.25 and 3,221.76 is: 4,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.06 : 13,150.25 = 3,221.76 : x
  2. Step 2: Convert to fraction form
    8,776.06/13,150.25 = 3,221.76/x
  3. Step 3: Cross multiply
    8,776.06x = 13,150.25 × 3,221.76
  4. Step 4: Simplify right side
    8,776.06x = 42,366,949.44
  5. Step 5: Solve for x
    x = 42,366,949.44/8,776.06
  6. Step 6: Final answer
    x = 4,827.56

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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.