Home / 5,181.39-7,150.11-2,823.48

Finding the Fourth Proportional to 5,181.39, 7,150.11 and 2,823.48

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Solution

The fourth proportional to 5,181.39, 7,150.11 and 2,823.48 is: 3,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.39 : 7,150.11 = 2,823.48 : x
  2. Step 2: Convert to fraction form
    5,181.39/7,150.11 = 2,823.48/x
  3. Step 3: Cross multiply
    5,181.39x = 7,150.11 × 2,823.48
  4. Step 4: Simplify right side
    5,181.39x = 20,188,192.58
  5. Step 5: Solve for x
    x = 20,188,192.58/5,181.39
  6. Step 6: Final answer
    x = 3,896.29

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1.5x scale

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.