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Finding the Fourth Proportional to 7,398.22, 11,107.05 and 5,207.98

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Solution

The fourth proportional to 7,398.22, 11,107.05 and 5,207.98 is: 7,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.22 : 11,107.05 = 5,207.98 : x
  2. Step 2: Convert to fraction form
    7,398.22/11,107.05 = 5,207.98/x
  3. Step 3: Cross multiply
    7,398.22x = 11,107.05 × 5,207.98
  4. Step 4: Simplify right side
    7,398.22x = 57,845,294.26
  5. Step 5: Solve for x
    x = 57,845,294.26/7,398.22
  6. Step 6: Final answer
    x = 7,818.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.