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Finding the Fourth Proportional to 5,824.78, 8,694.87 and 5,391.12

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Solution

The fourth proportional to 5,824.78, 8,694.87 and 5,391.12 is: 8,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,824.78 : 8,694.87 = 5,391.12 : x
  2. Step 2: Convert to fraction form
    5,824.78/8,694.87 = 5,391.12/x
  3. Step 3: Cross multiply
    5,824.78x = 8,694.87 × 5,391.12
  4. Step 4: Simplify right side
    5,824.78x = 46,875,087.55
  5. Step 5: Solve for x
    x = 46,875,087.55/5,824.78
  6. Step 6: Final answer
    x = 8,047.53

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.