Home / 4,268.70-6,398.87-2,076.21

Finding the Fourth Proportional to 4,268.70, 6,398.87 and 2,076.21

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Solution

The fourth proportional to 4,268.70, 6,398.87 and 2,076.21 is: 3,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.70 : 6,398.87 = 2,076.21 : x
  2. Step 2: Convert to fraction form
    4,268.70/6,398.87 = 2,076.21/x
  3. Step 3: Cross multiply
    4,268.70x = 6,398.87 × 2,076.21
  4. Step 4: Simplify right side
    4,268.70x = 13,285,387.50
  5. Step 5: Solve for x
    x = 13,285,387.50/4,268.70
  6. Step 6: Final answer
    x = 3,112.28

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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.