Home / 5,921.45-8,171.67-3,268.86

Finding the Fourth Proportional to 5,921.45, 8,171.67 and 3,268.86

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Solution

The fourth proportional to 5,921.45, 8,171.67 and 3,268.86 is: 4,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.45 : 8,171.67 = 3,268.86 : x
  2. Step 2: Convert to fraction form
    5,921.45/8,171.67 = 3,268.86/x
  3. Step 3: Cross multiply
    5,921.45x = 8,171.67 × 3,268.86
  4. Step 4: Simplify right side
    5,921.45x = 26,712,045.20
  5. Step 5: Solve for x
    x = 26,712,045.20/5,921.45
  6. Step 6: Final answer
    x = 4,511.06

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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.