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Finding the Fourth Proportional to 5,287.66, 7,296.97 and 2,929.84

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Solution

The fourth proportional to 5,287.66, 7,296.97 and 2,929.84 is: 4,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.66 : 7,296.97 = 2,929.84 : x
  2. Step 2: Convert to fraction form
    5,287.66/7,296.97 = 2,929.84/x
  3. Step 3: Cross multiply
    5,287.66x = 7,296.97 × 2,929.84
  4. Step 4: Simplify right side
    5,287.66x = 21,378,910.78
  5. Step 5: Solve for x
    x = 21,378,910.78/5,287.66
  6. Step 6: Final answer
    x = 4,043.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.