Home / 6,181.96-8,531.82-3,529.75

Finding the Fourth Proportional to 6,181.96, 8,531.82 and 3,529.75

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Solution

The fourth proportional to 6,181.96, 8,531.82 and 3,529.75 is: 4,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.96 : 8,531.82 = 3,529.75 : x
  2. Step 2: Convert to fraction form
    6,181.96/8,531.82 = 3,529.75/x
  3. Step 3: Cross multiply
    6,181.96x = 8,531.82 × 3,529.75
  4. Step 4: Simplify right side
    6,181.96x = 30,115,191.65
  5. Step 5: Solve for x
    x = 30,115,191.65/6,181.96
  6. Step 6: Final answer
    x = 4,871.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.