Home / 4,185.62-6,276.46-2,431.18

Finding the Fourth Proportional to 4,185.62, 6,276.46 and 2,431.18

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Solution

The fourth proportional to 4,185.62, 6,276.46 and 2,431.18 is: 3,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.62 : 6,276.46 = 2,431.18 : x
  2. Step 2: Convert to fraction form
    4,185.62/6,276.46 = 2,431.18/x
  3. Step 3: Cross multiply
    4,185.62x = 6,276.46 × 2,431.18
  4. Step 4: Simplify right side
    4,185.62x = 15,259,204.02
  5. Step 5: Solve for x
    x = 15,259,204.02/4,185.62
  6. Step 6: Final answer
    x = 3,645.63

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Half scale
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Double scale
Find fourth proportional to 4,186.62, 6,277.96 and 2,432.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.