Home / 6,209.20-9,310.86-2,257.70

Finding the Fourth Proportional to 6,209.20, 9,310.86 and 2,257.70

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Solution

The fourth proportional to 6,209.20, 9,310.86 and 2,257.70 is: 3,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.20 : 9,310.86 = 2,257.70 : x
  2. Step 2: Convert to fraction form
    6,209.20/9,310.86 = 2,257.70/x
  3. Step 3: Cross multiply
    6,209.20x = 9,310.86 × 2,257.70
  4. Step 4: Simplify right side
    6,209.20x = 21,021,128.62
  5. Step 5: Solve for x
    x = 21,021,128.62/6,209.20
  6. Step 6: Final answer
    x = 3,385.48

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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.