Home / 6,609.40-9,907.80-2,224.60

Finding the Fourth Proportional to 6,609.40, 9,907.80 and 2,224.60

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Solution

The fourth proportional to 6,609.40, 9,907.80 and 2,224.60 is: 3,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.40 : 9,907.80 = 2,224.60 : x
  2. Step 2: Convert to fraction form
    6,609.40/9,907.80 = 2,224.60/x
  3. Step 3: Cross multiply
    6,609.40x = 9,907.80 × 2,224.60
  4. Step 4: Simplify right side
    6,609.40x = 22,040,891.88
  5. Step 5: Solve for x
    x = 22,040,891.88/6,609.40
  6. Step 6: Final answer
    x = 3,334.78

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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.