Home / 5,231.25-7,847.33-1,335.65

Finding the Fourth Proportional to 5,231.25, 7,847.33 and 1,335.65

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Solution

The fourth proportional to 5,231.25, 7,847.33 and 1,335.65 is: 2,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.25 : 7,847.33 = 1,335.65 : x
  2. Step 2: Convert to fraction form
    5,231.25/7,847.33 = 1,335.65/x
  3. Step 3: Cross multiply
    5,231.25x = 7,847.33 × 1,335.65
  4. Step 4: Simplify right side
    5,231.25x = 10,481,240.40
  5. Step 5: Solve for x
    x = 10,481,240.40/5,231.25
  6. Step 6: Final answer
    x = 2,003.58

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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.