Home / 6,764.19-9,335.09-3,893.79

Finding the Fourth Proportional to 6,764.19, 9,335.09 and 3,893.79

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Solution

The fourth proportional to 6,764.19, 9,335.09 and 3,893.79 is: 5,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.19 : 9,335.09 = 3,893.79 : x
  2. Step 2: Convert to fraction form
    6,764.19/9,335.09 = 3,893.79/x
  3. Step 3: Cross multiply
    6,764.19x = 9,335.09 × 3,893.79
  4. Step 4: Simplify right side
    6,764.19x = 36,348,860.62
  5. Step 5: Solve for x
    x = 36,348,860.62/6,764.19
  6. Step 6: Final answer
    x = 5,373.72

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1.5x scale

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.