Home / 4,921.26-6,791.98-2,825.40

Finding the Fourth Proportional to 4,921.26, 6,791.98 and 2,825.40

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Solution

The fourth proportional to 4,921.26, 6,791.98 and 2,825.40 is: 3,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.26 : 6,791.98 = 2,825.40 : x
  2. Step 2: Convert to fraction form
    4,921.26/6,791.98 = 2,825.40/x
  3. Step 3: Cross multiply
    4,921.26x = 6,791.98 × 2,825.40
  4. Step 4: Simplify right side
    4,921.26x = 19,190,060.29
  5. Step 5: Solve for x
    x = 19,190,060.29/4,921.26
  6. Step 6: Final answer
    x = 3,899.42

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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.