Home / 6,605.44-9,905.40-2,221.84

Finding the Fourth Proportional to 6,605.44, 9,905.40 and 2,221.84

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Solution

The fourth proportional to 6,605.44, 9,905.40 and 2,221.84 is: 3,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.44 : 9,905.40 = 2,221.84 : x
  2. Step 2: Convert to fraction form
    6,605.44/9,905.40 = 2,221.84/x
  3. Step 3: Cross multiply
    6,605.44x = 9,905.40 × 2,221.84
  4. Step 4: Simplify right side
    6,605.44x = 22,008,213.94
  5. Step 5: Solve for x
    x = 22,008,213.94/6,605.44
  6. Step 6: Final answer
    x = 3,331.83

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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.