Home / 8,169.03-12,243.81-3,777.09

Finding the Fourth Proportional to 8,169.03, 12,243.81 and 3,777.09

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Solution

The fourth proportional to 8,169.03, 12,243.81 and 3,777.09 is: 5,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.03 : 12,243.81 = 3,777.09 : x
  2. Step 2: Convert to fraction form
    8,169.03/12,243.81 = 3,777.09/x
  3. Step 3: Cross multiply
    8,169.03x = 12,243.81 × 3,777.09
  4. Step 4: Simplify right side
    8,169.03x = 46,245,972.31
  5. Step 5: Solve for x
    x = 46,245,972.31/8,169.03
  6. Step 6: Final answer
    x = 5,661.13

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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.