Home / 7,575.85-11,356.44-3,879.82

Finding the Fourth Proportional to 7,575.85, 11,356.44 and 3,879.82

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Solution

The fourth proportional to 7,575.85, 11,356.44 and 3,879.82 is: 5,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.85 : 11,356.44 = 3,879.82 : x
  2. Step 2: Convert to fraction form
    7,575.85/11,356.44 = 3,879.82/x
  3. Step 3: Cross multiply
    7,575.85x = 11,356.44 × 3,879.82
  4. Step 4: Simplify right side
    7,575.85x = 44,060,943.04
  5. Step 5: Solve for x
    x = 44,060,943.04/7,575.85
  6. Step 6: Final answer
    x = 5,815.97

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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.