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Finding the Fourth Proportional to 7,393.87, 11,082.29 and 3,232.90

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Solution

The fourth proportional to 7,393.87, 11,082.29 and 3,232.90 is: 4,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.87 : 11,082.29 = 3,232.90 : x
  2. Step 2: Convert to fraction form
    7,393.87/11,082.29 = 3,232.90/x
  3. Step 3: Cross multiply
    7,393.87x = 11,082.29 × 3,232.90
  4. Step 4: Simplify right side
    7,393.87x = 35,827,935.34
  5. Step 5: Solve for x
    x = 35,827,935.34/7,393.87
  6. Step 6: Final answer
    x = 4,845.63

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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.