Home / 6,181.12-8,532.66-3,945.91

Finding the Fourth Proportional to 6,181.12, 8,532.66 and 3,945.91

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Solution

The fourth proportional to 6,181.12, 8,532.66 and 3,945.91 is: 5,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.12 : 8,532.66 = 3,945.91 : x
  2. Step 2: Convert to fraction form
    6,181.12/8,532.66 = 3,945.91/x
  3. Step 3: Cross multiply
    6,181.12x = 8,532.66 × 3,945.91
  4. Step 4: Simplify right side
    6,181.12x = 33,669,108.42
  5. Step 5: Solve for x
    x = 33,669,108.42/6,181.12
  6. Step 6: Final answer
    x = 5,447.09

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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.