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Finding the Fourth Proportional to 5,845.66, 8,767.20 and 1,684.75

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Solution

The fourth proportional to 5,845.66, 8,767.20 and 1,684.75 is: 2,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.66 : 8,767.20 = 1,684.75 : x
  2. Step 2: Convert to fraction form
    5,845.66/8,767.20 = 1,684.75/x
  3. Step 3: Cross multiply
    5,845.66x = 8,767.20 × 1,684.75
  4. Step 4: Simplify right side
    5,845.66x = 14,770,540.20
  5. Step 5: Solve for x
    x = 14,770,540.20/5,845.66
  6. Step 6: Final answer
    x = 2,526.75

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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.