Home / 4,286.36-5,913.32-2,868.60

Finding the Fourth Proportional to 4,286.36, 5,913.32 and 2,868.60

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Solution

The fourth proportional to 4,286.36, 5,913.32 and 2,868.60 is: 3,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.36 : 5,913.32 = 2,868.60 : x
  2. Step 2: Convert to fraction form
    4,286.36/5,913.32 = 2,868.60/x
  3. Step 3: Cross multiply
    4,286.36x = 5,913.32 × 2,868.60
  4. Step 4: Simplify right side
    4,286.36x = 16,962,949.75
  5. Step 5: Solve for x
    x = 16,962,949.75/4,286.36
  6. Step 6: Final answer
    x = 3,957.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.