Home / 5,231.92-7,847.87-3,285.49

Finding the Fourth Proportional to 5,231.92, 7,847.87 and 3,285.49

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Solution

The fourth proportional to 5,231.92, 7,847.87 and 3,285.49 is: 4,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.92 : 7,847.87 = 3,285.49 : x
  2. Step 2: Convert to fraction form
    5,231.92/7,847.87 = 3,285.49/x
  3. Step 3: Cross multiply
    5,231.92x = 7,847.87 × 3,285.49
  4. Step 4: Simplify right side
    5,231.92x = 25,784,098.41
  5. Step 5: Solve for x
    x = 25,784,098.41/5,231.92
  6. Step 6: Final answer
    x = 4,928.23

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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.