Home / 5,402.28-8,107.26-1,940.04

Finding the Fourth Proportional to 5,402.28, 8,107.26 and 1,940.04

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Solution

The fourth proportional to 5,402.28, 8,107.26 and 1,940.04 is: 2,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.28 : 8,107.26 = 1,940.04 : x
  2. Step 2: Convert to fraction form
    5,402.28/8,107.26 = 1,940.04/x
  3. Step 3: Cross multiply
    5,402.28x = 8,107.26 × 1,940.04
  4. Step 4: Simplify right side
    5,402.28x = 15,728,408.69
  5. Step 5: Solve for x
    x = 15,728,408.69/5,402.28
  6. Step 6: Final answer
    x = 2,911.44

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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.