Home / 6,781.80-10,169.52-2,623.77

Finding the Fourth Proportional to 6,781.80, 10,169.52 and 2,623.77

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Solution

The fourth proportional to 6,781.80, 10,169.52 and 2,623.77 is: 3,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.80 : 10,169.52 = 2,623.77 : x
  2. Step 2: Convert to fraction form
    6,781.80/10,169.52 = 2,623.77/x
  3. Step 3: Cross multiply
    6,781.80x = 10,169.52 × 2,623.77
  4. Step 4: Simplify right side
    6,781.80x = 26,682,471.65
  5. Step 5: Solve for x
    x = 26,682,471.65/6,781.80
  6. Step 6: Final answer
    x = 3,934.42

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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.