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Finding the Fourth Proportional to 5,173.29, 7,760.63 and 1,662.12

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Solution

The fourth proportional to 5,173.29, 7,760.63 and 1,662.12 is: 2,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.29 : 7,760.63 = 1,662.12 : x
  2. Step 2: Convert to fraction form
    5,173.29/7,760.63 = 1,662.12/x
  3. Step 3: Cross multiply
    5,173.29x = 7,760.63 × 1,662.12
  4. Step 4: Simplify right side
    5,173.29x = 12,899,098.34
  5. Step 5: Solve for x
    x = 12,899,098.34/5,173.29
  6. Step 6: Final answer
    x = 2,493.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.