Home / 4,988.96-7,467.64-2,791.03

Finding the Fourth Proportional to 4,988.96, 7,467.64 and 2,791.03

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Solution

The fourth proportional to 4,988.96, 7,467.64 and 2,791.03 is: 4,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.96 : 7,467.64 = 2,791.03 : x
  2. Step 2: Convert to fraction form
    4,988.96/7,467.64 = 2,791.03/x
  3. Step 3: Cross multiply
    4,988.96x = 7,467.64 × 2,791.03
  4. Step 4: Simplify right side
    4,988.96x = 20,842,407.27
  5. Step 5: Solve for x
    x = 20,842,407.27/4,988.96
  6. Step 6: Final answer
    x = 4,177.71

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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.