Home / 5,286.07-7,294.73-2,896.06

Finding the Fourth Proportional to 5,286.07, 7,294.73 and 2,896.06

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Solution

The fourth proportional to 5,286.07, 7,294.73 and 2,896.06 is: 3,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.07 : 7,294.73 = 2,896.06 : x
  2. Step 2: Convert to fraction form
    5,286.07/7,294.73 = 2,896.06/x
  3. Step 3: Cross multiply
    5,286.07x = 7,294.73 × 2,896.06
  4. Step 4: Simplify right side
    5,286.07x = 21,125,961.28
  5. Step 5: Solve for x
    x = 21,125,961.28/5,286.07
  6. Step 6: Final answer
    x = 3,996.53

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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.