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Finding the Fourth Proportional to 7,847.97, 10,829.75 and 4,311.11

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Solution

The fourth proportional to 7,847.97, 10,829.75 and 4,311.11 is: 5,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.97 : 10,829.75 = 4,311.11 : x
  2. Step 2: Convert to fraction form
    7,847.97/10,829.75 = 4,311.11/x
  3. Step 3: Cross multiply
    7,847.97x = 10,829.75 × 4,311.11
  4. Step 4: Simplify right side
    7,847.97x = 46,688,243.52
  5. Step 5: Solve for x
    x = 46,688,243.52/7,847.97
  6. Step 6: Final answer
    x = 5,949.09

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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.