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Finding the Fourth Proportional to 6,653.52, 9,978.24 and 2,757

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Solution

The fourth proportional to 6,653.52, 9,978.24 and 2,757 is: 4,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.52 : 9,978.24 = 2,757 : x
  2. Step 2: Convert to fraction form
    6,653.52/9,978.24 = 2,757/x
  3. Step 3: Cross multiply
    6,653.52x = 9,978.24 × 2,757
  4. Step 4: Simplify right side
    6,653.52x = 27,510,007.68
  5. Step 5: Solve for x
    x = 27,510,007.68/6,653.52
  6. Step 6: Final answer
    x = 4,134.65

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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.