Home / 5,879.42-8,816.20-2,131.04

Finding the Fourth Proportional to 5,879.42, 8,816.20 and 2,131.04

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Solution

The fourth proportional to 5,879.42, 8,816.20 and 2,131.04 is: 3,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.42 : 8,816.20 = 2,131.04 : x
  2. Step 2: Convert to fraction form
    5,879.42/8,816.20 = 2,131.04/x
  3. Step 3: Cross multiply
    5,879.42x = 8,816.20 × 2,131.04
  4. Step 4: Simplify right side
    5,879.42x = 18,787,705.31
  5. Step 5: Solve for x
    x = 18,787,705.31/5,879.42
  6. Step 6: Final answer
    x = 3,195.51

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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.