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Finding the Fourth Proportional to 5,193.52, 7,790.30 and 2,073.78

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Solution

The fourth proportional to 5,193.52, 7,790.30 and 2,073.78 is: 3,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.52 : 7,790.30 = 2,073.78 : x
  2. Step 2: Convert to fraction form
    5,193.52/7,790.30 = 2,073.78/x
  3. Step 3: Cross multiply
    5,193.52x = 7,790.30 × 2,073.78
  4. Step 4: Simplify right side
    5,193.52x = 16,155,401.12
  5. Step 5: Solve for x
    x = 16,155,401.12/5,193.52
  6. Step 6: Final answer
    x = 3,110.68

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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.