Home / 4,268.09-6,399.46-1,305.55

Finding the Fourth Proportional to 4,268.09, 6,399.46 and 1,305.55

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Solution

The fourth proportional to 4,268.09, 6,399.46 and 1,305.55 is: 1,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.09 : 6,399.46 = 1,305.55 : x
  2. Step 2: Convert to fraction form
    4,268.09/6,399.46 = 1,305.55/x
  3. Step 3: Cross multiply
    4,268.09x = 6,399.46 × 1,305.55
  4. Step 4: Simplify right side
    4,268.09x = 8,354,824.63
  5. Step 5: Solve for x
    x = 8,354,824.63/4,268.09
  6. Step 6: Final answer
    x = 1,957.51

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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.