Home / 7,893.28-11,839.94-2,699.16

Finding the Fourth Proportional to 7,893.28, 11,839.94 and 2,699.16

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Solution

The fourth proportional to 7,893.28, 11,839.94 and 2,699.16 is: 4,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.28 : 11,839.94 = 2,699.16 : x
  2. Step 2: Convert to fraction form
    7,893.28/11,839.94 = 2,699.16/x
  3. Step 3: Cross multiply
    7,893.28x = 11,839.94 × 2,699.16
  4. Step 4: Simplify right side
    7,893.28x = 31,957,844.68
  5. Step 5: Solve for x
    x = 31,957,844.68/7,893.28
  6. Step 6: Final answer
    x = 4,048.74

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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.