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Finding the Fourth Proportional to 5,181.87, 7,771.34 and 1,483.11

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Solution

The fourth proportional to 5,181.87, 7,771.34 and 1,483.11 is: 2,224.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.87 : 7,771.34 = 1,483.11 : x
  2. Step 2: Convert to fraction form
    5,181.87/7,771.34 = 1,483.11/x
  3. Step 3: Cross multiply
    5,181.87x = 7,771.34 × 1,483.11
  4. Step 4: Simplify right side
    5,181.87x = 11,525,755.78
  5. Step 5: Solve for x
    x = 11,525,755.78/5,181.87
  6. Step 6: Final answer
    x = 2,224.24

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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.