Home / 6,874.20-10,317.78-3,589.65

Finding the Fourth Proportional to 6,874.20, 10,317.78 and 3,589.65

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Solution

The fourth proportional to 6,874.20, 10,317.78 and 3,589.65 is: 5,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.20 : 10,317.78 = 3,589.65 : x
  2. Step 2: Convert to fraction form
    6,874.20/10,317.78 = 3,589.65/x
  3. Step 3: Cross multiply
    6,874.20x = 10,317.78 × 3,589.65
  4. Step 4: Simplify right side
    6,874.20x = 37,037,218.98
  5. Step 5: Solve for x
    x = 37,037,218.98/6,874.20
  6. Step 6: Final answer
    x = 5,387.86

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1.5x scale

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.