Home / 5,181.30-7,150.14-2,823.39

Finding the Fourth Proportional to 5,181.30, 7,150.14 and 2,823.39

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Solution

The fourth proportional to 5,181.30, 7,150.14 and 2,823.39 is: 3,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.30 : 7,150.14 = 2,823.39 : x
  2. Step 2: Convert to fraction form
    5,181.30/7,150.14 = 2,823.39/x
  3. Step 3: Cross multiply
    5,181.30x = 7,150.14 × 2,823.39
  4. Step 4: Simplify right side
    5,181.30x = 20,187,633.77
  5. Step 5: Solve for x
    x = 20,187,633.77/5,181.30
  6. Step 6: Final answer
    x = 3,896.25

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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.