Home / 4,268.20-6,395.10-2,806.60

Finding the Fourth Proportional to 4,268.20, 6,395.10 and 2,806.60

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Solution

The fourth proportional to 4,268.20, 6,395.10 and 2,806.60 is: 4,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.20 : 6,395.10 = 2,806.60 : x
  2. Step 2: Convert to fraction form
    4,268.20/6,395.10 = 2,806.60/x
  3. Step 3: Cross multiply
    4,268.20x = 6,395.10 × 2,806.60
  4. Step 4: Simplify right side
    4,268.20x = 17,948,487.66
  5. Step 5: Solve for x
    x = 17,948,487.66/4,268.20
  6. Step 6: Final answer
    x = 4,205.17

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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.