Home / 6,768.19-9,339.87-3,783.97

Finding the Fourth Proportional to 6,768.19, 9,339.87 and 3,783.97

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Solution

The fourth proportional to 6,768.19, 9,339.87 and 3,783.97 is: 5,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.19 : 9,339.87 = 3,783.97 : x
  2. Step 2: Convert to fraction form
    6,768.19/9,339.87 = 3,783.97/x
  3. Step 3: Cross multiply
    6,768.19x = 9,339.87 × 3,783.97
  4. Step 4: Simplify right side
    6,768.19x = 35,341,787.88
  5. Step 5: Solve for x
    x = 35,341,787.88/6,768.19
  6. Step 6: Final answer
    x = 5,221.75

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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.