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Finding the Fourth Proportional to 7,361.65, 11,033.24 and 4,402.28

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Solution

The fourth proportional to 7,361.65, 11,033.24 and 4,402.28 is: 6,597.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.65 : 11,033.24 = 4,402.28 : x
  2. Step 2: Convert to fraction form
    7,361.65/11,033.24 = 4,402.28/x
  3. Step 3: Cross multiply
    7,361.65x = 11,033.24 × 4,402.28
  4. Step 4: Simplify right side
    7,361.65x = 48,571,399.42
  5. Step 5: Solve for x
    x = 48,571,399.42/7,361.65
  6. Step 6: Final answer
    x = 6,597.90

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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.