Home / 5,243.09-7,859.95-1,956.33

Finding the Fourth Proportional to 5,243.09, 7,859.95 and 1,956.33

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Solution

The fourth proportional to 5,243.09, 7,859.95 and 1,956.33 is: 2,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.09 : 7,859.95 = 1,956.33 : x
  2. Step 2: Convert to fraction form
    5,243.09/7,859.95 = 1,956.33/x
  3. Step 3: Cross multiply
    5,243.09x = 7,859.95 × 1,956.33
  4. Step 4: Simplify right side
    5,243.09x = 15,376,651.09
  5. Step 5: Solve for x
    x = 15,376,651.09/5,243.09
  6. Step 6: Final answer
    x = 2,932.75

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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.