Home / 6,928.92-10,397.61-3,644.37

Finding the Fourth Proportional to 6,928.92, 10,397.61 and 3,644.37

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Solution

The fourth proportional to 6,928.92, 10,397.61 and 3,644.37 is: 5,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.92 : 10,397.61 = 3,644.37 : x
  2. Step 2: Convert to fraction form
    6,928.92/10,397.61 = 3,644.37/x
  3. Step 3: Cross multiply
    6,928.92x = 10,397.61 × 3,644.37
  4. Step 4: Simplify right side
    6,928.92x = 37,892,737.96
  5. Step 5: Solve for x
    x = 37,892,737.96/6,928.92
  6. Step 6: Final answer
    x = 5,468.78

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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.