Home / 5,889.12-8,128.82-3,793.26

Finding the Fourth Proportional to 5,889.12, 8,128.82 and 3,793.26

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Solution

The fourth proportional to 5,889.12, 8,128.82 and 3,793.26 is: 5,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.12 : 8,128.82 = 3,793.26 : x
  2. Step 2: Convert to fraction form
    5,889.12/8,128.82 = 3,793.26/x
  3. Step 3: Cross multiply
    5,889.12x = 8,128.82 × 3,793.26
  4. Step 4: Simplify right side
    5,889.12x = 30,834,727.75
  5. Step 5: Solve for x
    x = 30,834,727.75/5,889.12
  6. Step 6: Final answer
    x = 5,235.88

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1.5x scale

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.