Home / 4,819.56-7,237.20-2,982.38

Finding the Fourth Proportional to 4,819.56, 7,237.20 and 2,982.38

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Solution

The fourth proportional to 4,819.56, 7,237.20 and 2,982.38 is: 4,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.56 : 7,237.20 = 2,982.38 : x
  2. Step 2: Convert to fraction form
    4,819.56/7,237.20 = 2,982.38/x
  3. Step 3: Cross multiply
    4,819.56x = 7,237.20 × 2,982.38
  4. Step 4: Simplify right side
    4,819.56x = 21,584,080.54
  5. Step 5: Solve for x
    x = 21,584,080.54/4,819.56
  6. Step 6: Final answer
    x = 4,478.43

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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.