Home / 4,921.44-6,791.76-2,825.76

Finding the Fourth Proportional to 4,921.44, 6,791.76 and 2,825.76

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Solution

The fourth proportional to 4,921.44, 6,791.76 and 2,825.76 is: 3,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.44 : 6,791.76 = 2,825.76 : x
  2. Step 2: Convert to fraction form
    4,921.44/6,791.76 = 2,825.76/x
  3. Step 3: Cross multiply
    4,921.44x = 6,791.76 × 2,825.76
  4. Step 4: Simplify right side
    4,921.44x = 19,191,883.74
  5. Step 5: Solve for x
    x = 19,191,883.74/4,921.44
  6. Step 6: Final answer
    x = 3,899.65

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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.