Home / 5,441.40-8,151.30-3,243.60

Finding the Fourth Proportional to 5,441.40, 8,151.30 and 3,243.60

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Solution

The fourth proportional to 5,441.40, 8,151.30 and 3,243.60 is: 4,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.40 : 8,151.30 = 3,243.60 : x
  2. Step 2: Convert to fraction form
    5,441.40/8,151.30 = 3,243.60/x
  3. Step 3: Cross multiply
    5,441.40x = 8,151.30 × 3,243.60
  4. Step 4: Simplify right side
    5,441.40x = 26,439,556.68
  5. Step 5: Solve for x
    x = 26,439,556.68/5,441.40
  6. Step 6: Final answer
    x = 4,858.96

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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.