Home / 9,329.20-13,993.92-2,755.48

Finding the Fourth Proportional to 9,329.20, 13,993.92 and 2,755.48

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Solution

The fourth proportional to 9,329.20, 13,993.92 and 2,755.48 is: 4,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.20 : 13,993.92 = 2,755.48 : x
  2. Step 2: Convert to fraction form
    9,329.20/13,993.92 = 2,755.48/x
  3. Step 3: Cross multiply
    9,329.20x = 13,993.92 × 2,755.48
  4. Step 4: Simplify right side
    9,329.20x = 38,559,966.68
  5. Step 5: Solve for x
    x = 38,559,966.68/9,329.20
  6. Step 6: Final answer
    x = 4,133.26

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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.