Home / 7,575.80-11,366.42-3,879.77

Finding the Fourth Proportional to 7,575.80, 11,366.42 and 3,879.77

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Solution

The fourth proportional to 7,575.80, 11,366.42 and 3,879.77 is: 5,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.80 : 11,366.42 = 3,879.77 : x
  2. Step 2: Convert to fraction form
    7,575.80/11,366.42 = 3,879.77/x
  3. Step 3: Cross multiply
    7,575.80x = 11,366.42 × 3,879.77
  4. Step 4: Simplify right side
    7,575.80x = 44,099,019.09
  5. Step 5: Solve for x
    x = 44,099,019.09/7,575.80
  6. Step 6: Final answer
    x = 5,821.04

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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.