Home / 4,241.40-6,386.37-3,982.20

Finding the Fourth Proportional to 4,241.40, 6,386.37 and 3,982.20

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Solution

The fourth proportional to 4,241.40, 6,386.37 and 3,982.20 is: 5,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,241.40 : 6,386.37 = 3,982.20 : x
  2. Step 2: Convert to fraction form
    4,241.40/6,386.37 = 3,982.20/x
  3. Step 3: Cross multiply
    4,241.40x = 6,386.37 × 3,982.20
  4. Step 4: Simplify right side
    4,241.40x = 25,431,802.61
  5. Step 5: Solve for x
    x = 25,431,802.61/4,241.40
  6. Step 6: Final answer
    x = 5,996.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.