Home / 5,287.68-7,296.36-2,929.92

Finding the Fourth Proportional to 5,287.68, 7,296.36 and 2,929.92

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Solution

The fourth proportional to 5,287.68, 7,296.36 and 2,929.92 is: 4,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.68 : 7,296.36 = 2,929.92 : x
  2. Step 2: Convert to fraction form
    5,287.68/7,296.36 = 2,929.92/x
  3. Step 3: Cross multiply
    5,287.68x = 7,296.36 × 2,929.92
  4. Step 4: Simplify right side
    5,287.68x = 21,377,751.09
  5. Step 5: Solve for x
    x = 21,377,751.09/5,287.68
  6. Step 6: Final answer
    x = 4,042.94

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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.