Home / 6,311.75-9,469.71-2,801.30

Finding the Fourth Proportional to 6,311.75, 9,469.71 and 2,801.30

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Solution

The fourth proportional to 6,311.75, 9,469.71 and 2,801.30 is: 4,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.75 : 9,469.71 = 2,801.30 : x
  2. Step 2: Convert to fraction form
    6,311.75/9,469.71 = 2,801.30/x
  3. Step 3: Cross multiply
    6,311.75x = 9,469.71 × 2,801.30
  4. Step 4: Simplify right side
    6,311.75x = 26,527,451.27
  5. Step 5: Solve for x
    x = 26,527,451.27/6,311.75
  6. Step 6: Final answer
    x = 4,202.87

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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.