Home / 6,399.48-9,600.30-2,239.32

Finding the Fourth Proportional to 6,399.48, 9,600.30 and 2,239.32

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Solution

The fourth proportional to 6,399.48, 9,600.30 and 2,239.32 is: 3,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.48 : 9,600.30 = 2,239.32 : x
  2. Step 2: Convert to fraction form
    6,399.48/9,600.30 = 2,239.32/x
  3. Step 3: Cross multiply
    6,399.48x = 9,600.30 × 2,239.32
  4. Step 4: Simplify right side
    6,399.48x = 21,498,143.80
  5. Step 5: Solve for x
    x = 21,498,143.80/6,399.48
  6. Step 6: Final answer
    x = 3,359.36

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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.