Home / 5,425.14-8,131.74-3,550.26

Finding the Fourth Proportional to 5,425.14, 8,131.74 and 3,550.26

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Solution

The fourth proportional to 5,425.14, 8,131.74 and 3,550.26 is: 5,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.14 : 8,131.74 = 3,550.26 : x
  2. Step 2: Convert to fraction form
    5,425.14/8,131.74 = 3,550.26/x
  3. Step 3: Cross multiply
    5,425.14x = 8,131.74 × 3,550.26
  4. Step 4: Simplify right side
    5,425.14x = 28,869,791.25
  5. Step 5: Solve for x
    x = 28,869,791.25/5,425.14
  6. Step 6: Final answer
    x = 5,321.48

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1.5x scale

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.