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Finding the Fourth Proportional to 6,891.37, 10,330.36 and 2,730

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Solution

The fourth proportional to 6,891.37, 10,330.36 and 2,730 is: 4,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.37 : 10,330.36 = 2,730 : x
  2. Step 2: Convert to fraction form
    6,891.37/10,330.36 = 2,730/x
  3. Step 3: Cross multiply
    6,891.37x = 10,330.36 × 2,730
  4. Step 4: Simplify right side
    6,891.37x = 28,201,882.80
  5. Step 5: Solve for x
    x = 28,201,882.80/6,891.37
  6. Step 6: Final answer
    x = 4,092.35

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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.