Home / 6,181.88-8,531.42-3,529.68

Finding the Fourth Proportional to 6,181.88, 8,531.42 and 3,529.68

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Solution

The fourth proportional to 6,181.88, 8,531.42 and 3,529.68 is: 4,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.88 : 8,531.42 = 3,529.68 : x
  2. Step 2: Convert to fraction form
    6,181.88/8,531.42 = 3,529.68/x
  3. Step 3: Cross multiply
    6,181.88x = 8,531.42 × 3,529.68
  4. Step 4: Simplify right side
    6,181.88x = 30,113,164.90
  5. Step 5: Solve for x
    x = 30,113,164.90/6,181.88
  6. Step 6: Final answer
    x = 4,871.20

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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.