Home / 4,286.50-6,428.14-1,512.43

Finding the Fourth Proportional to 4,286.50, 6,428.14 and 1,512.43

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Solution

The fourth proportional to 4,286.50, 6,428.14 and 1,512.43 is: 2,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.50 : 6,428.14 = 1,512.43 : x
  2. Step 2: Convert to fraction form
    4,286.50/6,428.14 = 1,512.43/x
  3. Step 3: Cross multiply
    4,286.50x = 6,428.14 × 1,512.43
  4. Step 4: Simplify right side
    4,286.50x = 9,722,091.93
  5. Step 5: Solve for x
    x = 9,722,091.93/4,286.50
  6. Step 6: Final answer
    x = 2,268.07

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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.