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Finding the Fourth Proportional to 7,310.97, 10,969.35 and 2,927.82

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Solution

The fourth proportional to 7,310.97, 10,969.35 and 2,927.82 is: 4,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.97 : 10,969.35 = 2,927.82 : x
  2. Step 2: Convert to fraction form
    7,310.97/10,969.35 = 2,927.82/x
  3. Step 3: Cross multiply
    7,310.97x = 10,969.35 × 2,927.82
  4. Step 4: Simplify right side
    7,310.97x = 32,116,282.32
  5. Step 5: Solve for x
    x = 32,116,282.32/7,310.97
  6. Step 6: Final answer
    x = 4,392.89

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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.