Home / 5,884.52-8,128.50-4,121.96

Finding the Fourth Proportional to 5,884.52, 8,128.50 and 4,121.96

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Solution

The fourth proportional to 5,884.52, 8,128.50 and 4,121.96 is: 5,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.52 : 8,128.50 = 4,121.96 : x
  2. Step 2: Convert to fraction form
    5,884.52/8,128.50 = 4,121.96/x
  3. Step 3: Cross multiply
    5,884.52x = 8,128.50 × 4,121.96
  4. Step 4: Simplify right side
    5,884.52x = 33,505,351.86
  5. Step 5: Solve for x
    x = 33,505,351.86/5,884.52
  6. Step 6: Final answer
    x = 5,693.81

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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.