Home / 5,439.72-8,157.12-3,797.04

Finding the Fourth Proportional to 5,439.72, 8,157.12 and 3,797.04

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Solution

The fourth proportional to 5,439.72, 8,157.12 and 3,797.04 is: 5,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.72 : 8,157.12 = 3,797.04 : x
  2. Step 2: Convert to fraction form
    5,439.72/8,157.12 = 3,797.04/x
  3. Step 3: Cross multiply
    5,439.72x = 8,157.12 × 3,797.04
  4. Step 4: Simplify right side
    5,439.72x = 30,972,910.92
  5. Step 5: Solve for x
    x = 30,972,910.92/5,439.72
  6. Step 6: Final answer
    x = 5,693.84

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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.