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Finding the Fourth Proportional to 7,135.90, 9,841.52 and 5,364.44

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Solution

The fourth proportional to 7,135.90, 9,841.52 and 5,364.44 is: 7,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.90 : 9,841.52 = 5,364.44 : x
  2. Step 2: Convert to fraction form
    7,135.90/9,841.52 = 5,364.44/x
  3. Step 3: Cross multiply
    7,135.90x = 9,841.52 × 5,364.44
  4. Step 4: Simplify right side
    7,135.90x = 52,794,243.55
  5. Step 5: Solve for x
    x = 52,794,243.55/7,135.90
  6. Step 6: Final answer
    x = 7,398.40

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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.