Home / 5,687.97-8,537.05-3,611.69

Finding the Fourth Proportional to 5,687.97, 8,537.05 and 3,611.69

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Solution

The fourth proportional to 5,687.97, 8,537.05 and 3,611.69 is: 5,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.97 : 8,537.05 = 3,611.69 : x
  2. Step 2: Convert to fraction form
    5,687.97/8,537.05 = 3,611.69/x
  3. Step 3: Cross multiply
    5,687.97x = 8,537.05 × 3,611.69
  4. Step 4: Simplify right side
    5,687.97x = 30,833,151.64
  5. Step 5: Solve for x
    x = 30,833,151.64/5,687.97
  6. Step 6: Final answer
    x = 5,420.76

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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.