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Finding the Fourth Proportional to 7,150.82, 9,868.13 and 4,007.03

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Solution

The fourth proportional to 7,150.82, 9,868.13 and 4,007.03 is: 5,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.82 : 9,868.13 = 4,007.03 : x
  2. Step 2: Convert to fraction form
    7,150.82/9,868.13 = 4,007.03/x
  3. Step 3: Cross multiply
    7,150.82x = 9,868.13 × 4,007.03
  4. Step 4: Simplify right side
    7,150.82x = 39,541,872.92
  5. Step 5: Solve for x
    x = 39,541,872.92/7,150.82
  6. Step 6: Final answer
    x = 5,529.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.