Home / 5,358.37-8,040.62-3,171.37

Finding the Fourth Proportional to 5,358.37, 8,040.62 and 3,171.37

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Solution

The fourth proportional to 5,358.37, 8,040.62 and 3,171.37 is: 4,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.37 : 8,040.62 = 3,171.37 : x
  2. Step 2: Convert to fraction form
    5,358.37/8,040.62 = 3,171.37/x
  3. Step 3: Cross multiply
    5,358.37x = 8,040.62 × 3,171.37
  4. Step 4: Simplify right side
    5,358.37x = 25,499,781.05
  5. Step 5: Solve for x
    x = 25,499,781.05/5,358.37
  6. Step 6: Final answer
    x = 4,758.87

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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.