Home / 4,819.78-7,229.94-1,357.30

Finding the Fourth Proportional to 4,819.78, 7,229.94 and 1,357.30

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Solution

The fourth proportional to 4,819.78, 7,229.94 and 1,357.30 is: 2,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.78 : 7,229.94 = 1,357.30 : x
  2. Step 2: Convert to fraction form
    4,819.78/7,229.94 = 1,357.30/x
  3. Step 3: Cross multiply
    4,819.78x = 7,229.94 × 1,357.30
  4. Step 4: Simplify right side
    4,819.78x = 9,813,197.56
  5. Step 5: Solve for x
    x = 9,813,197.56/4,819.78
  6. Step 6: Final answer
    x = 2,036.03

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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.