Home / 7,270.62-10,910.88-2,889.06

Finding the Fourth Proportional to 7,270.62, 10,910.88 and 2,889.06

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Solution

The fourth proportional to 7,270.62, 10,910.88 and 2,889.06 is: 4,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.62 : 10,910.88 = 2,889.06 : x
  2. Step 2: Convert to fraction form
    7,270.62/10,910.88 = 2,889.06/x
  3. Step 3: Cross multiply
    7,270.62x = 10,910.88 × 2,889.06
  4. Step 4: Simplify right side
    7,270.62x = 31,522,186.97
  5. Step 5: Solve for x
    x = 31,522,186.97/7,270.62
  6. Step 6: Final answer
    x = 4,335.56

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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.