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Finding the Fourth Proportional to 5,216.00, 7,198.07 and 2,858.13

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Solution

The fourth proportional to 5,216.00, 7,198.07 and 2,858.13 is: 3,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.00 : 7,198.07 = 2,858.13 : x
  2. Step 2: Convert to fraction form
    5,216.00/7,198.07 = 2,858.13/x
  3. Step 3: Cross multiply
    5,216.00x = 7,198.07 × 2,858.13
  4. Step 4: Simplify right side
    5,216.00x = 20,573,005.52
  5. Step 5: Solve for x
    x = 20,573,005.52/5,216.00
  6. Step 6: Final answer
    x = 3,944.21

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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.