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Finding the Fourth Proportional to 4,920.66, 7,384.50 and 2,731.14

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Solution

The fourth proportional to 4,920.66, 7,384.50 and 2,731.14 is: 4,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.66 : 7,384.50 = 2,731.14 : x
  2. Step 2: Convert to fraction form
    4,920.66/7,384.50 = 2,731.14/x
  3. Step 3: Cross multiply
    4,920.66x = 7,384.50 × 2,731.14
  4. Step 4: Simplify right side
    4,920.66x = 20,168,103.33
  5. Step 5: Solve for x
    x = 20,168,103.33/4,920.66
  6. Step 6: Final answer
    x = 4,098.66

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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.