Home / 5,272.13-7,275.60-2,914.49

Finding the Fourth Proportional to 5,272.13, 7,275.60 and 2,914.49

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Solution

The fourth proportional to 5,272.13, 7,275.60 and 2,914.49 is: 4,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.13 : 7,275.60 = 2,914.49 : x
  2. Step 2: Convert to fraction form
    5,272.13/7,275.60 = 2,914.49/x
  3. Step 3: Cross multiply
    5,272.13x = 7,275.60 × 2,914.49
  4. Step 4: Simplify right side
    5,272.13x = 21,204,627.07
  5. Step 5: Solve for x
    x = 21,204,627.07/5,272.13
  6. Step 6: Final answer
    x = 4,022.03

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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.