Home / 4,862.88-6,709.44-2,872.56

Finding the Fourth Proportional to 4,862.88, 6,709.44 and 2,872.56

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Solution

The fourth proportional to 4,862.88, 6,709.44 and 2,872.56 is: 3,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.88 : 6,709.44 = 2,872.56 : x
  2. Step 2: Convert to fraction form
    4,862.88/6,709.44 = 2,872.56/x
  3. Step 3: Cross multiply
    4,862.88x = 6,709.44 × 2,872.56
  4. Step 4: Simplify right side
    4,862.88x = 19,273,268.97
  5. Step 5: Solve for x
    x = 19,273,268.97/4,862.88
  6. Step 6: Final answer
    x = 3,963.34

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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.