Home / 5,921.38-8,171.49-3,268.93

Finding the Fourth Proportional to 5,921.38, 8,171.49 and 3,268.93

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Solution

The fourth proportional to 5,921.38, 8,171.49 and 3,268.93 is: 4,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.38 : 8,171.49 = 3,268.93 : x
  2. Step 2: Convert to fraction form
    5,921.38/8,171.49 = 3,268.93/x
  3. Step 3: Cross multiply
    5,921.38x = 8,171.49 × 3,268.93
  4. Step 4: Simplify right side
    5,921.38x = 26,712,028.81
  5. Step 5: Solve for x
    x = 26,712,028.81/5,921.38
  6. Step 6: Final answer
    x = 4,511.12

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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.