Home / 6,179.21-8,528.90-3,819.97

Finding the Fourth Proportional to 6,179.21, 8,528.90 and 3,819.97

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Solution

The fourth proportional to 6,179.21, 8,528.90 and 3,819.97 is: 5,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.21 : 8,528.90 = 3,819.97 : x
  2. Step 2: Convert to fraction form
    6,179.21/8,528.90 = 3,819.97/x
  3. Step 3: Cross multiply
    6,179.21x = 8,528.90 × 3,819.97
  4. Step 4: Simplify right side
    6,179.21x = 32,580,142.13
  5. Step 5: Solve for x
    x = 32,580,142.13/6,179.21
  6. Step 6: Final answer
    x = 5,272.54

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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.