Home / 8,177.90-12,268.66-2,983.76

Finding the Fourth Proportional to 8,177.90, 12,268.66 and 2,983.76

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Solution

The fourth proportional to 8,177.90, 12,268.66 and 2,983.76 is: 4,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.90 : 12,268.66 = 2,983.76 : x
  2. Step 2: Convert to fraction form
    8,177.90/12,268.66 = 2,983.76/x
  3. Step 3: Cross multiply
    8,177.90x = 12,268.66 × 2,983.76
  4. Step 4: Simplify right side
    8,177.90x = 36,606,736.96
  5. Step 5: Solve for x
    x = 36,606,736.96/8,177.90
  6. Step 6: Final answer
    x = 4,476.30

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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.