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Finding the Fourth Proportional to 6,805.73, 10,210.87 and 2,645.88

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Solution

The fourth proportional to 6,805.73, 10,210.87 and 2,645.88 is: 3,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.73 : 10,210.87 = 2,645.88 : x
  2. Step 2: Convert to fraction form
    6,805.73/10,210.87 = 2,645.88/x
  3. Step 3: Cross multiply
    6,805.73x = 10,210.87 × 2,645.88
  4. Step 4: Simplify right side
    6,805.73x = 27,016,736.72
  5. Step 5: Solve for x
    x = 27,016,736.72/6,805.73
  6. Step 6: Final answer
    x = 3,969.70

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1.5x scale

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.