Home / 5,372.61-8,057.30-3,180.75

Finding the Fourth Proportional to 5,372.61, 8,057.30 and 3,180.75

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Solution

The fourth proportional to 5,372.61, 8,057.30 and 3,180.75 is: 4,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.61 : 8,057.30 = 3,180.75 : x
  2. Step 2: Convert to fraction form
    5,372.61/8,057.30 = 3,180.75/x
  3. Step 3: Cross multiply
    5,372.61x = 8,057.30 × 3,180.75
  4. Step 4: Simplify right side
    5,372.61x = 25,628,241.07
  5. Step 5: Solve for x
    x = 25,628,241.07/5,372.61
  6. Step 6: Final answer
    x = 4,770.17

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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.