Home / 4,241.28-6,364.88-2,857.24

Finding the Fourth Proportional to 4,241.28, 6,364.88 and 2,857.24

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Solution

The fourth proportional to 4,241.28, 6,364.88 and 2,857.24 is: 4,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,241.28 : 6,364.88 = 2,857.24 : x
  2. Step 2: Convert to fraction form
    4,241.28/6,364.88 = 2,857.24/x
  3. Step 3: Cross multiply
    4,241.28x = 6,364.88 × 2,857.24
  4. Step 4: Simplify right side
    4,241.28x = 18,185,989.73
  5. Step 5: Solve for x
    x = 18,185,989.73/4,241.28
  6. Step 6: Final answer
    x = 4,287.85

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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.