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Finding the Fourth Proportional to 5,216.07, 7,198.17 and 2,858.22

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Solution

The fourth proportional to 5,216.07, 7,198.17 and 2,858.22 is: 3,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.07 : 7,198.17 = 2,858.22 : x
  2. Step 2: Convert to fraction form
    5,216.07/7,198.17 = 2,858.22/x
  3. Step 3: Cross multiply
    5,216.07x = 7,198.17 × 2,858.22
  4. Step 4: Simplify right side
    5,216.07x = 20,573,953.46
  5. Step 5: Solve for x
    x = 20,573,953.46/5,216.07
  6. Step 6: Final answer
    x = 3,944.34

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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.