Home / 5,272.26-7,275.81-2,914.41

Finding the Fourth Proportional to 5,272.26, 7,275.81 and 2,914.41

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Solution

The fourth proportional to 5,272.26, 7,275.81 and 2,914.41 is: 4,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.26 : 7,275.81 = 2,914.41 : x
  2. Step 2: Convert to fraction form
    5,272.26/7,275.81 = 2,914.41/x
  3. Step 3: Cross multiply
    5,272.26x = 7,275.81 × 2,914.41
  4. Step 4: Simplify right side
    5,272.26x = 21,204,693.42
  5. Step 5: Solve for x
    x = 21,204,693.42/5,272.26
  6. Step 6: Final answer
    x = 4,021.94

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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.