Home / 9,321.23-13,982.29-2,747.48

Finding the Fourth Proportional to 9,321.23, 13,982.29 and 2,747.48

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Solution

The fourth proportional to 9,321.23, 13,982.29 and 2,747.48 is: 4,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.23 : 13,982.29 = 2,747.48 : x
  2. Step 2: Convert to fraction form
    9,321.23/13,982.29 = 2,747.48/x
  3. Step 3: Cross multiply
    9,321.23x = 13,982.29 × 2,747.48
  4. Step 4: Simplify right side
    9,321.23x = 38,415,985.35
  5. Step 5: Solve for x
    x = 38,415,985.35/9,321.23
  6. Step 6: Final answer
    x = 4,121.34

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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.