Home / 4,548.80-6,819.20-3,083.20

Finding the Fourth Proportional to 4,548.80, 6,819.20 and 3,083.20

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Solution

The fourth proportional to 4,548.80, 6,819.20 and 3,083.20 is: 4,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.80 : 6,819.20 = 3,083.20 : x
  2. Step 2: Convert to fraction form
    4,548.80/6,819.20 = 3,083.20/x
  3. Step 3: Cross multiply
    4,548.80x = 6,819.20 × 3,083.20
  4. Step 4: Simplify right side
    4,548.80x = 21,024,957.44
  5. Step 5: Solve for x
    x = 21,024,957.44/4,548.80
  6. Step 6: Final answer
    x = 4,622.09

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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.