Home / 6,645-9,968.22-2,262.78

Finding the Fourth Proportional to 6,645, 9,968.22 and 2,262.78

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Solution

The fourth proportional to 6,645, 9,968.22 and 2,262.78 is: 3,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645 : 9,968.22 = 2,262.78 : x
  2. Step 2: Convert to fraction form
    6,645/9,968.22 = 2,262.78/x
  3. Step 3: Cross multiply
    6,645x = 9,968.22 × 2,262.78
  4. Step 4: Simplify right side
    6,645x = 22,555,888.85
  5. Step 5: Solve for x
    x = 22,555,888.85/6,645
  6. Step 6: Final answer
    x = 3,394.42

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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.