Home / 6,619.99-9,930.33-2,922.25

Finding the Fourth Proportional to 6,619.99, 9,930.33 and 2,922.25

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Solution

The fourth proportional to 6,619.99, 9,930.33 and 2,922.25 is: 4,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.99 : 9,930.33 = 2,922.25 : x
  2. Step 2: Convert to fraction form
    6,619.99/9,930.33 = 2,922.25/x
  3. Step 3: Cross multiply
    6,619.99x = 9,930.33 × 2,922.25
  4. Step 4: Simplify right side
    6,619.99x = 29,018,906.84
  5. Step 5: Solve for x
    x = 29,018,906.84/6,619.99
  6. Step 6: Final answer
    x = 4,383.53

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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.