Home / 5,515.96-7,611.87-2,998.03

Finding the Fourth Proportional to 5,515.96, 7,611.87 and 2,998.03

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Solution

The fourth proportional to 5,515.96, 7,611.87 and 2,998.03 is: 4,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.96 : 7,611.87 = 2,998.03 : x
  2. Step 2: Convert to fraction form
    5,515.96/7,611.87 = 2,998.03/x
  3. Step 3: Cross multiply
    5,515.96x = 7,611.87 × 2,998.03
  4. Step 4: Simplify right side
    5,515.96x = 22,820,614.62
  5. Step 5: Solve for x
    x = 22,820,614.62/5,515.96
  6. Step 6: Final answer
    x = 4,137.20

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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.