Home / 6,932.88-9,567.56-3,789.28

Finding the Fourth Proportional to 6,932.88, 9,567.56 and 3,789.28

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Solution

The fourth proportional to 6,932.88, 9,567.56 and 3,789.28 is: 5,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.88 : 9,567.56 = 3,789.28 : x
  2. Step 2: Convert to fraction form
    6,932.88/9,567.56 = 3,789.28/x
  3. Step 3: Cross multiply
    6,932.88x = 9,567.56 × 3,789.28
  4. Step 4: Simplify right side
    6,932.88x = 36,254,163.76
  5. Step 5: Solve for x
    x = 36,254,163.76/6,932.88
  6. Step 6: Final answer
    x = 5,229.31

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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.