Home / 6,213.11-8,574.19-3,380.54

Finding the Fourth Proportional to 6,213.11, 8,574.19 and 3,380.54

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Solution

The fourth proportional to 6,213.11, 8,574.19 and 3,380.54 is: 4,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.11 : 8,574.19 = 3,380.54 : x
  2. Step 2: Convert to fraction form
    6,213.11/8,574.19 = 3,380.54/x
  3. Step 3: Cross multiply
    6,213.11x = 8,574.19 × 3,380.54
  4. Step 4: Simplify right side
    6,213.11x = 28,985,340.94
  5. Step 5: Solve for x
    x = 28,985,340.94/6,213.11
  6. Step 6: Final answer
    x = 4,665.19

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Double scale
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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.