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Finding the Fourth Proportional to 5,662.07, 8,493.11 and 1,766.78

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Solution

The fourth proportional to 5,662.07, 8,493.11 and 1,766.78 is: 2,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.07 : 8,493.11 = 1,766.78 : x
  2. Step 2: Convert to fraction form
    5,662.07/8,493.11 = 1,766.78/x
  3. Step 3: Cross multiply
    5,662.07x = 8,493.11 × 1,766.78
  4. Step 4: Simplify right side
    5,662.07x = 15,005,448.05
  5. Step 5: Solve for x
    x = 15,005,448.05/5,662.07
  6. Step 6: Final answer
    x = 2,650.17

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Double scale
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Similar ratio
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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.