Home / 4,921.64-6,791.46-2,797.16

Finding the Fourth Proportional to 4,921.64, 6,791.46 and 2,797.16

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Solution

The fourth proportional to 4,921.64, 6,791.46 and 2,797.16 is: 3,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.64 : 6,791.46 = 2,797.16 : x
  2. Step 2: Convert to fraction form
    4,921.64/6,791.46 = 2,797.16/x
  3. Step 3: Cross multiply
    4,921.64x = 6,791.46 × 2,797.16
  4. Step 4: Simplify right side
    4,921.64x = 18,996,800.25
  5. Step 5: Solve for x
    x = 18,996,800.25/4,921.64
  6. Step 6: Final answer
    x = 3,859.85

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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.