Home / 6,517.38-8,991.87-3,684.48

Finding the Fourth Proportional to 6,517.38, 8,991.87 and 3,684.48

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Solution

The fourth proportional to 6,517.38, 8,991.87 and 3,684.48 is: 5,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.38 : 8,991.87 = 3,684.48 : x
  2. Step 2: Convert to fraction form
    6,517.38/8,991.87 = 3,684.48/x
  3. Step 3: Cross multiply
    6,517.38x = 8,991.87 × 3,684.48
  4. Step 4: Simplify right side
    6,517.38x = 33,130,365.18
  5. Step 5: Solve for x
    x = 33,130,365.18/6,517.38
  6. Step 6: Final answer
    x = 5,083.39

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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.