Home / 5,002.35-7,505.79-2,661.75

Finding the Fourth Proportional to 5,002.35, 7,505.79 and 2,661.75

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Solution

The fourth proportional to 5,002.35, 7,505.79 and 2,661.75 is: 3,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.35 : 7,505.79 = 2,661.75 : x
  2. Step 2: Convert to fraction form
    5,002.35/7,505.79 = 2,661.75/x
  3. Step 3: Cross multiply
    5,002.35x = 7,505.79 × 2,661.75
  4. Step 4: Simplify right side
    5,002.35x = 19,978,536.53
  5. Step 5: Solve for x
    x = 19,978,536.53/5,002.35
  6. Step 6: Final answer
    x = 3,993.83

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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.