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Finding the Fourth Proportional to 5,490.66, 8,238 and 3,300.96

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Solution

The fourth proportional to 5,490.66, 8,238 and 3,300.96 is: 4,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.66 : 8,238 = 3,300.96 : x
  2. Step 2: Convert to fraction form
    5,490.66/8,238 = 3,300.96/x
  3. Step 3: Cross multiply
    5,490.66x = 8,238 × 3,300.96
  4. Step 4: Simplify right side
    5,490.66x = 27,193,308.48
  5. Step 5: Solve for x
    x = 27,193,308.48/5,490.66
  6. Step 6: Final answer
    x = 4,952.65

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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.