Home / 7,975.21-11,962.82-3,587.54

Finding the Fourth Proportional to 7,975.21, 11,962.82 and 3,587.54

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Solution

The fourth proportional to 7,975.21, 11,962.82 and 3,587.54 is: 5,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.21 : 11,962.82 = 3,587.54 : x
  2. Step 2: Convert to fraction form
    7,975.21/11,962.82 = 3,587.54/x
  3. Step 3: Cross multiply
    7,975.21x = 11,962.82 × 3,587.54
  4. Step 4: Simplify right side
    7,975.21x = 42,917,077.33
  5. Step 5: Solve for x
    x = 42,917,077.33/7,975.21
  6. Step 6: Final answer
    x = 5,381.31

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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.