Home / 4,879.90-7,324.44-2,685.61

Finding the Fourth Proportional to 4,879.90, 7,324.44 and 2,685.61

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Solution

The fourth proportional to 4,879.90, 7,324.44 and 2,685.61 is: 4,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.90 : 7,324.44 = 2,685.61 : x
  2. Step 2: Convert to fraction form
    4,879.90/7,324.44 = 2,685.61/x
  3. Step 3: Cross multiply
    4,879.90x = 7,324.44 × 2,685.61
  4. Step 4: Simplify right side
    4,879.90x = 19,670,589.31
  5. Step 5: Solve for x
    x = 19,670,589.31/4,879.90
  6. Step 6: Final answer
    x = 4,030.94

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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.