Home / 6,921.54-10,383-2,760.57

Finding the Fourth Proportional to 6,921.54, 10,383 and 2,760.57

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Solution

The fourth proportional to 6,921.54, 10,383 and 2,760.57 is: 4,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.54 : 10,383 = 2,760.57 : x
  2. Step 2: Convert to fraction form
    6,921.54/10,383 = 2,760.57/x
  3. Step 3: Cross multiply
    6,921.54x = 10,383 × 2,760.57
  4. Step 4: Simplify right side
    6,921.54x = 28,662,998.31
  5. Step 5: Solve for x
    x = 28,662,998.31/6,921.54
  6. Step 6: Final answer
    x = 4,141.13

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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.