Home / 5,464.86-8,198.30-2,180.31

Finding the Fourth Proportional to 5,464.86, 8,198.30 and 2,180.31

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Solution

The fourth proportional to 5,464.86, 8,198.30 and 2,180.31 is: 3,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.86 : 8,198.30 = 2,180.31 : x
  2. Step 2: Convert to fraction form
    5,464.86/8,198.30 = 2,180.31/x
  3. Step 3: Cross multiply
    5,464.86x = 8,198.30 × 2,180.31
  4. Step 4: Simplify right side
    5,464.86x = 17,874,835.47
  5. Step 5: Solve for x
    x = 17,874,835.47/5,464.86
  6. Step 6: Final answer
    x = 3,270.87

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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.