Home / 4,819.60-7,229.33-1,487.77

Finding the Fourth Proportional to 4,819.60, 7,229.33 and 1,487.77

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Solution

The fourth proportional to 4,819.60, 7,229.33 and 1,487.77 is: 2,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.60 : 7,229.33 = 1,487.77 : x
  2. Step 2: Convert to fraction form
    4,819.60/7,229.33 = 1,487.77/x
  3. Step 3: Cross multiply
    4,819.60x = 7,229.33 × 1,487.77
  4. Step 4: Simplify right side
    4,819.60x = 10,755,556.18
  5. Step 5: Solve for x
    x = 10,755,556.18/4,819.60
  6. Step 6: Final answer
    x = 2,231.63

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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.