Home / 4,921.28-6,791.48-2,825.24

Finding the Fourth Proportional to 4,921.28, 6,791.48 and 2,825.24

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Solution

The fourth proportional to 4,921.28, 6,791.48 and 2,825.24 is: 3,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.28 : 6,791.48 = 2,825.24 : x
  2. Step 2: Convert to fraction form
    4,921.28/6,791.48 = 2,825.24/x
  3. Step 3: Cross multiply
    4,921.28x = 6,791.48 × 2,825.24
  4. Step 4: Simplify right side
    4,921.28x = 19,187,560.96
  5. Step 5: Solve for x
    x = 19,187,560.96/4,921.28
  6. Step 6: Final answer
    x = 3,898.90

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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.