Home / 5,921.40-8,171.37-3,268.62

Finding the Fourth Proportional to 5,921.40, 8,171.37 and 3,268.62

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Solution

The fourth proportional to 5,921.40, 8,171.37 and 3,268.62 is: 4,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.40 : 8,171.37 = 3,268.62 : x
  2. Step 2: Convert to fraction form
    5,921.40/8,171.37 = 3,268.62/x
  3. Step 3: Cross multiply
    5,921.40x = 8,171.37 × 3,268.62
  4. Step 4: Simplify right side
    5,921.40x = 26,709,103.41
  5. Step 5: Solve for x
    x = 26,709,103.41/5,921.40
  6. Step 6: Final answer
    x = 4,510.61

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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.