Home / 4,273.28-6,396.24-3,099.20

Finding the Fourth Proportional to 4,273.28, 6,396.24 and 3,099.20

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Solution

The fourth proportional to 4,273.28, 6,396.24 and 3,099.20 is: 4,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.28 : 6,396.24 = 3,099.20 : x
  2. Step 2: Convert to fraction form
    4,273.28/6,396.24 = 3,099.20/x
  3. Step 3: Cross multiply
    4,273.28x = 6,396.24 × 3,099.20
  4. Step 4: Simplify right side
    4,273.28x = 19,823,227.01
  5. Step 5: Solve for x
    x = 19,823,227.01/4,273.28
  6. Step 6: Final answer
    x = 4,638.88

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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.