Home / 5,272.43-7,275.29-2,914.61

Finding the Fourth Proportional to 5,272.43, 7,275.29 and 2,914.61

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Solution

The fourth proportional to 5,272.43, 7,275.29 and 2,914.61 is: 4,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.43 : 7,275.29 = 2,914.61 : x
  2. Step 2: Convert to fraction form
    5,272.43/7,275.29 = 2,914.61/x
  3. Step 3: Cross multiply
    5,272.43x = 7,275.29 × 2,914.61
  4. Step 4: Simplify right side
    5,272.43x = 21,204,582.04
  5. Step 5: Solve for x
    x = 21,204,582.04/5,272.43
  6. Step 6: Final answer
    x = 4,021.79

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