Home / 4,872.70-6,724.90-2,883.25

Finding the Fourth Proportional to 4,872.70, 6,724.90 and 2,883.25

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Solution

The fourth proportional to 4,872.70, 6,724.90 and 2,883.25 is: 3,979.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.70 : 6,724.90 = 2,883.25 : x
  2. Step 2: Convert to fraction form
    4,872.70/6,724.90 = 2,883.25/x
  3. Step 3: Cross multiply
    4,872.70x = 6,724.90 × 2,883.25
  4. Step 4: Simplify right side
    4,872.70x = 19,389,571.99
  5. Step 5: Solve for x
    x = 19,389,571.99/4,872.70
  6. Step 6: Final answer
    x = 3,979.23

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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.