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Finding the Fourth Proportional to 7,204.97, 10,807.46 and 2,821.88

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Solution

The fourth proportional to 7,204.97, 10,807.46 and 2,821.88 is: 4,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.97 : 10,807.46 = 2,821.88 : x
  2. Step 2: Convert to fraction form
    7,204.97/10,807.46 = 2,821.88/x
  3. Step 3: Cross multiply
    7,204.97x = 10,807.46 × 2,821.88
  4. Step 4: Simplify right side
    7,204.97x = 30,497,341.12
  5. Step 5: Solve for x
    x = 30,497,341.12/7,204.97
  6. Step 6: Final answer
    x = 4,232.82

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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.