Home / 5,181.00-7,776.17-3,511.08

Finding the Fourth Proportional to 5,181.00, 7,776.17 and 3,511.08

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Solution

The fourth proportional to 5,181.00, 7,776.17 and 3,511.08 is: 5,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.00 : 7,776.17 = 3,511.08 : x
  2. Step 2: Convert to fraction form
    5,181.00/7,776.17 = 3,511.08/x
  3. Step 3: Cross multiply
    5,181.00x = 7,776.17 × 3,511.08
  4. Step 4: Simplify right side
    5,181.00x = 27,302,750.57
  5. Step 5: Solve for x
    x = 27,302,750.57/5,181.00
  6. Step 6: Final answer
    x = 5,269.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.