Home / 3,918.30-5,912.36-3,766.41

Finding the Fourth Proportional to 3,918.30, 5,912.36 and 3,766.41

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Solution

The fourth proportional to 3,918.30, 5,912.36 and 3,766.41 is: 5,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.30 : 5,912.36 = 3,766.41 : x
  2. Step 2: Convert to fraction form
    3,918.30/5,912.36 = 3,766.41/x
  3. Step 3: Cross multiply
    3,918.30x = 5,912.36 × 3,766.41
  4. Step 4: Simplify right side
    3,918.30x = 22,268,353.00
  5. Step 5: Solve for x
    x = 22,268,353.00/3,918.30
  6. Step 6: Final answer
    x = 5,683.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.