Home / 4,828.20-7,243.10-1,906.60

Finding the Fourth Proportional to 4,828.20, 7,243.10 and 1,906.60

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Solution

The fourth proportional to 4,828.20, 7,243.10 and 1,906.60 is: 2,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.20 : 7,243.10 = 1,906.60 : x
  2. Step 2: Convert to fraction form
    4,828.20/7,243.10 = 1,906.60/x
  3. Step 3: Cross multiply
    4,828.20x = 7,243.10 × 1,906.60
  4. Step 4: Simplify right side
    4,828.20x = 13,809,694.46
  5. Step 5: Solve for x
    x = 13,809,694.46/4,828.20
  6. Step 6: Final answer
    x = 2,860.22

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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.