Home / 6,399.82-9,599.20-2,239.39

Finding the Fourth Proportional to 6,399.82, 9,599.20 and 2,239.39

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Solution

The fourth proportional to 6,399.82, 9,599.20 and 2,239.39 is: 3,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.82 : 9,599.20 = 2,239.39 : x
  2. Step 2: Convert to fraction form
    6,399.82/9,599.20 = 2,239.39/x
  3. Step 3: Cross multiply
    6,399.82x = 9,599.20 × 2,239.39
  4. Step 4: Simplify right side
    6,399.82x = 21,496,352.49
  5. Step 5: Solve for x
    x = 21,496,352.49/6,399.82
  6. Step 6: Final answer
    x = 3,358.90

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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.