Home / 4,189.82-6,253.37-4,120.62

Finding the Fourth Proportional to 4,189.82, 6,253.37 and 4,120.62

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Solution

The fourth proportional to 4,189.82, 6,253.37 and 4,120.62 is: 6,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.82 : 6,253.37 = 4,120.62 : x
  2. Step 2: Convert to fraction form
    4,189.82/6,253.37 = 4,120.62/x
  3. Step 3: Cross multiply
    4,189.82x = 6,253.37 × 4,120.62
  4. Step 4: Simplify right side
    4,189.82x = 25,767,761.49
  5. Step 5: Solve for x
    x = 25,767,761.49/4,189.82
  6. Step 6: Final answer
    x = 6,150.10

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Half scale
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Double scale
Find fourth proportional to 4,190.82, 6,254.86 and 4,121.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.