Home / 7,344.84-11,021.18-3,449.28

Finding the Fourth Proportional to 7,344.84, 11,021.18 and 3,449.28

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Solution

The fourth proportional to 7,344.84, 11,021.18 and 3,449.28 is: 5,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.84 : 11,021.18 = 3,449.28 : x
  2. Step 2: Convert to fraction form
    7,344.84/11,021.18 = 3,449.28/x
  3. Step 3: Cross multiply
    7,344.84x = 11,021.18 × 3,449.28
  4. Step 4: Simplify right side
    7,344.84x = 38,015,135.75
  5. Step 5: Solve for x
    x = 38,015,135.75/7,344.84
  6. Step 6: Final answer
    x = 5,175.76

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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.