Home / 4,819.09-7,227.60-1,531.30

Finding the Fourth Proportional to 4,819.09, 7,227.60 and 1,531.30

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Solution

The fourth proportional to 4,819.09, 7,227.60 and 1,531.30 is: 2,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.09 : 7,227.60 = 1,531.30 : x
  2. Step 2: Convert to fraction form
    4,819.09/7,227.60 = 1,531.30/x
  3. Step 3: Cross multiply
    4,819.09x = 7,227.60 × 1,531.30
  4. Step 4: Simplify right side
    4,819.09x = 11,067,623.88
  5. Step 5: Solve for x
    x = 11,067,623.88/4,819.09
  6. Step 6: Final answer
    x = 2,296.62

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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.