Home / 6,105.80-8,425.87-3,453.19

Finding the Fourth Proportional to 6,105.80, 8,425.87 and 3,453.19

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Solution

The fourth proportional to 6,105.80, 8,425.87 and 3,453.19 is: 4,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.80 : 8,425.87 = 3,453.19 : x
  2. Step 2: Convert to fraction form
    6,105.80/8,425.87 = 3,453.19/x
  3. Step 3: Cross multiply
    6,105.80x = 8,425.87 × 3,453.19
  4. Step 4: Simplify right side
    6,105.80x = 29,096,100.33
  5. Step 5: Solve for x
    x = 29,096,100.33/6,105.80
  6. Step 6: Final answer
    x = 4,765.32

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Half scale
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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.