Home / 5,131.40-7,696.94-1,844.68

Finding the Fourth Proportional to 5,131.40, 7,696.94 and 1,844.68

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Solution

The fourth proportional to 5,131.40, 7,696.94 and 1,844.68 is: 2,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.40 : 7,696.94 = 1,844.68 : x
  2. Step 2: Convert to fraction form
    5,131.40/7,696.94 = 1,844.68/x
  3. Step 3: Cross multiply
    5,131.40x = 7,696.94 × 1,844.68
  4. Step 4: Simplify right side
    5,131.40x = 14,198,391.28
  5. Step 5: Solve for x
    x = 14,198,391.28/5,131.40
  6. Step 6: Final answer
    x = 2,766.96

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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.