Home / 4,228.97-6,342.82-1,109.03

Finding the Fourth Proportional to 4,228.97, 6,342.82 and 1,109.03

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Solution

The fourth proportional to 4,228.97, 6,342.82 and 1,109.03 is: 1,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.97 : 6,342.82 = 1,109.03 : x
  2. Step 2: Convert to fraction form
    4,228.97/6,342.82 = 1,109.03/x
  3. Step 3: Cross multiply
    4,228.97x = 6,342.82 × 1,109.03
  4. Step 4: Simplify right side
    4,228.97x = 7,034,343.18
  5. Step 5: Solve for x
    x = 7,034,343.18/4,228.97
  6. Step 6: Final answer
    x = 1,663.37

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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.