Home / 6,469.20-9,704.70-2,572.70

Finding the Fourth Proportional to 6,469.20, 9,704.70 and 2,572.70

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Solution

The fourth proportional to 6,469.20, 9,704.70 and 2,572.70 is: 3,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.20 : 9,704.70 = 2,572.70 : x
  2. Step 2: Convert to fraction form
    6,469.20/9,704.70 = 2,572.70/x
  3. Step 3: Cross multiply
    6,469.20x = 9,704.70 × 2,572.70
  4. Step 4: Simplify right side
    6,469.20x = 24,967,281.69
  5. Step 5: Solve for x
    x = 24,967,281.69/6,469.20
  6. Step 6: Final answer
    x = 3,859.41

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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.