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Finding the Fourth Proportional to 6,788.92, 9,367.14 and 4,270.36

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Solution

The fourth proportional to 6,788.92, 9,367.14 and 4,270.36 is: 5,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.92 : 9,367.14 = 4,270.36 : x
  2. Step 2: Convert to fraction form
    6,788.92/9,367.14 = 4,270.36/x
  3. Step 3: Cross multiply
    6,788.92x = 9,367.14 × 4,270.36
  4. Step 4: Simplify right side
    6,788.92x = 40,001,059.97
  5. Step 5: Solve for x
    x = 40,001,059.97/6,788.92
  6. Step 6: Final answer
    x = 5,892.11

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1.5x scale

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.