Home / 5,791.41-7,991.87-3,669.21

Finding the Fourth Proportional to 5,791.41, 7,991.87 and 3,669.21

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Solution

The fourth proportional to 5,791.41, 7,991.87 and 3,669.21 is: 5,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.41 : 7,991.87 = 3,669.21 : x
  2. Step 2: Convert to fraction form
    5,791.41/7,991.87 = 3,669.21/x
  3. Step 3: Cross multiply
    5,791.41x = 7,991.87 × 3,669.21
  4. Step 4: Simplify right side
    5,791.41x = 29,323,830.98
  5. Step 5: Solve for x
    x = 29,323,830.98/5,791.41
  6. Step 6: Final answer
    x = 5,063.33

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1.5x scale

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.