Home / 8,591.23-12,879.41-3,843.75

Finding the Fourth Proportional to 8,591.23, 12,879.41 and 3,843.75

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Solution

The fourth proportional to 8,591.23, 12,879.41 and 3,843.75 is: 5,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.23 : 12,879.41 = 3,843.75 : x
  2. Step 2: Convert to fraction form
    8,591.23/12,879.41 = 3,843.75/x
  3. Step 3: Cross multiply
    8,591.23x = 12,879.41 × 3,843.75
  4. Step 4: Simplify right side
    8,591.23x = 49,505,232.19
  5. Step 5: Solve for x
    x = 49,505,232.19/8,591.23
  6. Step 6: Final answer
    x = 5,762.30

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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.