Home / 8,765.06-13,149.41-3,218.18

Finding the Fourth Proportional to 8,765.06, 13,149.41 and 3,218.18

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Solution

The fourth proportional to 8,765.06, 13,149.41 and 3,218.18 is: 4,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.06 : 13,149.41 = 3,218.18 : x
  2. Step 2: Convert to fraction form
    8,765.06/13,149.41 = 3,218.18/x
  3. Step 3: Cross multiply
    8,765.06x = 13,149.41 × 3,218.18
  4. Step 4: Simplify right side
    8,765.06x = 42,317,086.44
  5. Step 5: Solve for x
    x = 42,317,086.44/8,765.06
  6. Step 6: Final answer
    x = 4,827.93

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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.