Home / 4,954.20-7,428.90-2,760.60

Finding the Fourth Proportional to 4,954.20, 7,428.90 and 2,760.60

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Solution

The fourth proportional to 4,954.20, 7,428.90 and 2,760.60 is: 4,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.20 : 7,428.90 = 2,760.60 : x
  2. Step 2: Convert to fraction form
    4,954.20/7,428.90 = 2,760.60/x
  3. Step 3: Cross multiply
    4,954.20x = 7,428.90 × 2,760.60
  4. Step 4: Simplify right side
    4,954.20x = 20,508,221.34
  5. Step 5: Solve for x
    x = 20,508,221.34/4,954.20
  6. Step 6: Final answer
    x = 4,139.56

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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.