Home / 6,645.06-9,969.89-2,949.88

Finding the Fourth Proportional to 6,645.06, 9,969.89 and 2,949.88

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Solution

The fourth proportional to 6,645.06, 9,969.89 and 2,949.88 is: 4,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.06 : 9,969.89 = 2,949.88 : x
  2. Step 2: Convert to fraction form
    6,645.06/9,969.89 = 2,949.88/x
  3. Step 3: Cross multiply
    6,645.06x = 9,969.89 × 2,949.88
  4. Step 4: Simplify right side
    6,645.06x = 29,409,914.51
  5. Step 5: Solve for x
    x = 29,409,914.51/6,645.06
  6. Step 6: Final answer
    x = 4,425.83

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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.