Home / 6,896.50-10,346.79-3,976.90

Finding the Fourth Proportional to 6,896.50, 10,346.79 and 3,976.90

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Solution

The fourth proportional to 6,896.50, 10,346.79 and 3,976.90 is: 5,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.50 : 10,346.79 = 3,976.90 : x
  2. Step 2: Convert to fraction form
    6,896.50/10,346.79 = 3,976.90/x
  3. Step 3: Cross multiply
    6,896.50x = 10,346.79 × 3,976.90
  4. Step 4: Simplify right side
    6,896.50x = 41,148,149.15
  5. Step 5: Solve for x
    x = 41,148,149.15/6,896.50
  6. Step 6: Final answer
    x = 5,966.53

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1.5x scale

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.