Home / 5,121.17-7,682.76-1,833.38

Finding the Fourth Proportional to 5,121.17, 7,682.76 and 1,833.38

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Solution

The fourth proportional to 5,121.17, 7,682.76 and 1,833.38 is: 2,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.17 : 7,682.76 = 1,833.38 : x
  2. Step 2: Convert to fraction form
    5,121.17/7,682.76 = 1,833.38/x
  3. Step 3: Cross multiply
    5,121.17x = 7,682.76 × 1,833.38
  4. Step 4: Simplify right side
    5,121.17x = 14,085,380.12
  5. Step 5: Solve for x
    x = 14,085,380.12/5,121.17
  6. Step 6: Final answer
    x = 2,750.42

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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.