Home / 5,282.62-7,923.31-1,387.33

Finding the Fourth Proportional to 5,282.62, 7,923.31 and 1,387.33

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Solution

The fourth proportional to 5,282.62, 7,923.31 and 1,387.33 is: 2,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.62 : 7,923.31 = 1,387.33 : x
  2. Step 2: Convert to fraction form
    5,282.62/7,923.31 = 1,387.33/x
  3. Step 3: Cross multiply
    5,282.62x = 7,923.31 × 1,387.33
  4. Step 4: Simplify right side
    5,282.62x = 10,992,245.66
  5. Step 5: Solve for x
    x = 10,992,245.66/5,282.62
  6. Step 6: Final answer
    x = 2,080.83

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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.