Home / 6,105.62-8,425.80-3,311.12

Finding the Fourth Proportional to 6,105.62, 8,425.80 and 3,311.12

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Solution

The fourth proportional to 6,105.62, 8,425.80 and 3,311.12 is: 4,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.62 : 8,425.80 = 3,311.12 : x
  2. Step 2: Convert to fraction form
    6,105.62/8,425.80 = 3,311.12/x
  3. Step 3: Cross multiply
    6,105.62x = 8,425.80 × 3,311.12
  4. Step 4: Simplify right side
    6,105.62x = 27,898,792.77
  5. Step 5: Solve for x
    x = 27,898,792.77/6,105.62
  6. Step 6: Final answer
    x = 4,569.37

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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.