Home / 5,181.73-7,150.79-2,824.02

Finding the Fourth Proportional to 5,181.73, 7,150.79 and 2,824.02

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Solution

The fourth proportional to 5,181.73, 7,150.79 and 2,824.02 is: 3,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.73 : 7,150.79 = 2,824.02 : x
  2. Step 2: Convert to fraction form
    5,181.73/7,150.79 = 2,824.02/x
  3. Step 3: Cross multiply
    5,181.73x = 7,150.79 × 2,824.02
  4. Step 4: Simplify right side
    5,181.73x = 20,193,973.98
  5. Step 5: Solve for x
    x = 20,193,973.98/5,181.73
  6. Step 6: Final answer
    x = 3,897.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.