Home / 5,181.11-7,149.93-2,823.26

Finding the Fourth Proportional to 5,181.11, 7,149.93 and 2,823.26

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Solution

The fourth proportional to 5,181.11, 7,149.93 and 2,823.26 is: 3,896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.11 : 7,149.93 = 2,823.26 : x
  2. Step 2: Convert to fraction form
    5,181.11/7,149.93 = 2,823.26/x
  3. Step 3: Cross multiply
    5,181.11x = 7,149.93 × 2,823.26
  4. Step 4: Simplify right side
    5,181.11x = 20,186,075.62
  5. Step 5: Solve for x
    x = 20,186,075.62/5,181.11
  6. Step 6: Final answer
    x = 3,896.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.