Home / 6,905.92-10,354.56-3,205.84

Finding the Fourth Proportional to 6,905.92, 10,354.56 and 3,205.84

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Solution

The fourth proportional to 6,905.92, 10,354.56 and 3,205.84 is: 4,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.92 : 10,354.56 = 3,205.84 : x
  2. Step 2: Convert to fraction form
    6,905.92/10,354.56 = 3,205.84/x
  3. Step 3: Cross multiply
    6,905.92x = 10,354.56 × 3,205.84
  4. Step 4: Simplify right side
    6,905.92x = 33,195,062.63
  5. Step 5: Solve for x
    x = 33,195,062.63/6,905.92
  6. Step 6: Final answer
    x = 4,806.75

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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.