Home / 5,272.92-7,276.01-2,914.65

Finding the Fourth Proportional to 5,272.92, 7,276.01 and 2,914.65

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Solution

The fourth proportional to 5,272.92, 7,276.01 and 2,914.65 is: 4,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.92 : 7,276.01 = 2,914.65 : x
  2. Step 2: Convert to fraction form
    5,272.92/7,276.01 = 2,914.65/x
  3. Step 3: Cross multiply
    5,272.92x = 7,276.01 × 2,914.65
  4. Step 4: Simplify right side
    5,272.92x = 21,207,007.97
  5. Step 5: Solve for x
    x = 21,207,007.97/5,272.92
  6. Step 6: Final answer
    x = 4,021.87

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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.