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Finding the Fourth Proportional to 4,943.73, 7,410.81 and 1,654.99

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Solution

The fourth proportional to 4,943.73, 7,410.81 and 1,654.99 is: 2,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.73 : 7,410.81 = 1,654.99 : x
  2. Step 2: Convert to fraction form
    4,943.73/7,410.81 = 1,654.99/x
  3. Step 3: Cross multiply
    4,943.73x = 7,410.81 × 1,654.99
  4. Step 4: Simplify right side
    4,943.73x = 12,264,816.44
  5. Step 5: Solve for x
    x = 12,264,816.44/4,943.73
  6. Step 6: Final answer
    x = 2,480.88

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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.