Home / 4,902.80-7,344.60-2,949.20

Finding the Fourth Proportional to 4,902.80, 7,344.60 and 2,949.20

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Solution

The fourth proportional to 4,902.80, 7,344.60 and 2,949.20 is: 4,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.80 : 7,344.60 = 2,949.20 : x
  2. Step 2: Convert to fraction form
    4,902.80/7,344.60 = 2,949.20/x
  3. Step 3: Cross multiply
    4,902.80x = 7,344.60 × 2,949.20
  4. Step 4: Simplify right side
    4,902.80x = 21,660,694.32
  5. Step 5: Solve for x
    x = 21,660,694.32/4,902.80
  6. Step 6: Final answer
    x = 4,418.03

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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.