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Finding the Fourth Proportional to 7,203.97, 10,805.96 and 2,820.88

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Solution

The fourth proportional to 7,203.97, 10,805.96 and 2,820.88 is: 4,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.97 : 10,805.96 = 2,820.88 : x
  2. Step 2: Convert to fraction form
    7,203.97/10,805.96 = 2,820.88/x
  3. Step 3: Cross multiply
    7,203.97x = 10,805.96 × 2,820.88
  4. Step 4: Simplify right side
    7,203.97x = 30,482,316.44
  5. Step 5: Solve for x
    x = 30,482,316.44/7,203.97
  6. Step 6: Final answer
    x = 4,231.32

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Similar ratio
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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.