Home / 6,391.52-9,587.32-2,231.52

Finding the Fourth Proportional to 6,391.52, 9,587.32 and 2,231.52

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Solution

The fourth proportional to 6,391.52, 9,587.32 and 2,231.52 is: 3,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.52 : 9,587.32 = 2,231.52 : x
  2. Step 2: Convert to fraction form
    6,391.52/9,587.32 = 2,231.52/x
  3. Step 3: Cross multiply
    6,391.52x = 9,587.32 × 2,231.52
  4. Step 4: Simplify right side
    6,391.52x = 21,394,296.33
  5. Step 5: Solve for x
    x = 21,394,296.33/6,391.52
  6. Step 6: Final answer
    x = 3,347.29

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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.