Home / 6,726-9,279.84-3,893.43

Finding the Fourth Proportional to 6,726, 9,279.84 and 3,893.43

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Solution

The fourth proportional to 6,726, 9,279.84 and 3,893.43 is: 5,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726 : 9,279.84 = 3,893.43 : x
  2. Step 2: Convert to fraction form
    6,726/9,279.84 = 3,893.43/x
  3. Step 3: Cross multiply
    6,726x = 9,279.84 × 3,893.43
  4. Step 4: Simplify right side
    6,726x = 36,130,407.45
  5. Step 5: Solve for x
    x = 36,130,407.45/6,726
  6. Step 6: Final answer
    x = 5,371.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.