Home / 5,231.54-7,850.37-1,946.96

Finding the Fourth Proportional to 5,231.54, 7,850.37 and 1,946.96

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Solution

The fourth proportional to 5,231.54, 7,850.37 and 1,946.96 is: 2,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.54 : 7,850.37 = 1,946.96 : x
  2. Step 2: Convert to fraction form
    5,231.54/7,850.37 = 1,946.96/x
  3. Step 3: Cross multiply
    5,231.54x = 7,850.37 × 1,946.96
  4. Step 4: Simplify right side
    5,231.54x = 15,284,356.38
  5. Step 5: Solve for x
    x = 15,284,356.38/5,231.54
  6. Step 6: Final answer
    x = 2,921.58

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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.