Home / 4,912.26-7,353.90-3,243.31

Finding the Fourth Proportional to 4,912.26, 7,353.90 and 3,243.31

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Solution

The fourth proportional to 4,912.26, 7,353.90 and 3,243.31 is: 4,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.26 : 7,353.90 = 3,243.31 : x
  2. Step 2: Convert to fraction form
    4,912.26/7,353.90 = 3,243.31/x
  3. Step 3: Cross multiply
    4,912.26x = 7,353.90 × 3,243.31
  4. Step 4: Simplify right side
    4,912.26x = 23,850,959.02
  5. Step 5: Solve for x
    x = 23,850,959.02/4,912.26
  6. Step 6: Final answer
    x = 4,855.40

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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.