Home / 6,324.30-9,489.20-3,399.19

Finding the Fourth Proportional to 6,324.30, 9,489.20 and 3,399.19

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Solution

The fourth proportional to 6,324.30, 9,489.20 and 3,399.19 is: 5,100.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.30 : 9,489.20 = 3,399.19 : x
  2. Step 2: Convert to fraction form
    6,324.30/9,489.20 = 3,399.19/x
  3. Step 3: Cross multiply
    6,324.30x = 9,489.20 × 3,399.19
  4. Step 4: Simplify right side
    6,324.30x = 32,255,553.03
  5. Step 5: Solve for x
    x = 32,255,553.03/6,324.30
  6. Step 6: Final answer
    x = 5,100.26

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1.5x scale

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.