Home / 4,921.73-7,383.47-1,635.02

Finding the Fourth Proportional to 4,921.73, 7,383.47 and 1,635.02

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Solution

The fourth proportional to 4,921.73, 7,383.47 and 1,635.02 is: 2,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.73 : 7,383.47 = 1,635.02 : x
  2. Step 2: Convert to fraction form
    4,921.73/7,383.47 = 1,635.02/x
  3. Step 3: Cross multiply
    4,921.73x = 7,383.47 × 1,635.02
  4. Step 4: Simplify right side
    4,921.73x = 12,072,076.03
  5. Step 5: Solve for x
    x = 12,072,076.03/4,921.73
  6. Step 6: Final answer
    x = 2,452.81

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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.