Home / 5,287.26-7,936.67-3,896.29

Finding the Fourth Proportional to 5,287.26, 7,936.67 and 3,896.29

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Solution

The fourth proportional to 5,287.26, 7,936.67 and 3,896.29 is: 5,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.26 : 7,936.67 = 3,896.29 : x
  2. Step 2: Convert to fraction form
    5,287.26/7,936.67 = 3,896.29/x
  3. Step 3: Cross multiply
    5,287.26x = 7,936.67 × 3,896.29
  4. Step 4: Simplify right side
    5,287.26x = 30,923,567.95
  5. Step 5: Solve for x
    x = 30,923,567.95/5,287.26
  6. Step 6: Final answer
    x = 5,848.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.