Home / 5,181.32-7,150.24-2,823.42

Finding the Fourth Proportional to 5,181.32, 7,150.24 and 2,823.42

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Solution

The fourth proportional to 5,181.32, 7,150.24 and 2,823.42 is: 3,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.32 : 7,150.24 = 2,823.42 : x
  2. Step 2: Convert to fraction form
    5,181.32/7,150.24 = 2,823.42/x
  3. Step 3: Cross multiply
    5,181.32x = 7,150.24 × 2,823.42
  4. Step 4: Simplify right side
    5,181.32x = 20,188,130.62
  5. Step 5: Solve for x
    x = 20,188,130.62/5,181.32
  6. Step 6: Final answer
    x = 3,896.33

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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.