Home / 8,169.11-12,246.37-3,780.53

Finding the Fourth Proportional to 8,169.11, 12,246.37 and 3,780.53

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Solution

The fourth proportional to 8,169.11, 12,246.37 and 3,780.53 is: 5,667.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.11 : 12,246.37 = 3,780.53 : x
  2. Step 2: Convert to fraction form
    8,169.11/12,246.37 = 3,780.53/x
  3. Step 3: Cross multiply
    8,169.11x = 12,246.37 × 3,780.53
  4. Step 4: Simplify right side
    8,169.11x = 46,297,698.49
  5. Step 5: Solve for x
    x = 46,297,698.49/8,169.11
  6. Step 6: Final answer
    x = 5,667.41

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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.