Home / 5,558.41-7,669.24-3,791.80

Finding the Fourth Proportional to 5,558.41, 7,669.24 and 3,791.80

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Solution

The fourth proportional to 5,558.41, 7,669.24 and 3,791.80 is: 5,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.41 : 7,669.24 = 3,791.80 : x
  2. Step 2: Convert to fraction form
    5,558.41/7,669.24 = 3,791.80/x
  3. Step 3: Cross multiply
    5,558.41x = 7,669.24 × 3,791.80
  4. Step 4: Simplify right side
    5,558.41x = 29,080,224.23
  5. Step 5: Solve for x
    x = 29,080,224.23/5,558.41
  6. Step 6: Final answer
    x = 5,231.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.