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Finding the Fourth Proportional to 4,892.64, 7,334.64 and 3,743.52

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Solution

The fourth proportional to 4,892.64, 7,334.64 and 3,743.52 is: 5,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.64 : 7,334.64 = 3,743.52 : x
  2. Step 2: Convert to fraction form
    4,892.64/7,334.64 = 3,743.52/x
  3. Step 3: Cross multiply
    4,892.64x = 7,334.64 × 3,743.52
  4. Step 4: Simplify right side
    4,892.64x = 27,457,371.53
  5. Step 5: Solve for x
    x = 27,457,371.53/4,892.64
  6. Step 6: Final answer
    x = 5,611.97

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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.