Home / 5,231.95-7,851.01-1,944.97

Finding the Fourth Proportional to 5,231.95, 7,851.01 and 1,944.97

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Solution

The fourth proportional to 5,231.95, 7,851.01 and 1,944.97 is: 2,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.95 : 7,851.01 = 1,944.97 : x
  2. Step 2: Convert to fraction form
    5,231.95/7,851.01 = 1,944.97/x
  3. Step 3: Cross multiply
    5,231.95x = 7,851.01 × 1,944.97
  4. Step 4: Simplify right side
    5,231.95x = 15,269,978.92
  5. Step 5: Solve for x
    x = 15,269,978.92/5,231.95
  6. Step 6: Final answer
    x = 2,918.60

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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.