Home / 4,960.80-6,845.89-2,722.72

Finding the Fourth Proportional to 4,960.80, 6,845.89 and 2,722.72

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Solution

The fourth proportional to 4,960.80, 6,845.89 and 2,722.72 is: 3,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.80 : 6,845.89 = 2,722.72 : x
  2. Step 2: Convert to fraction form
    4,960.80/6,845.89 = 2,722.72/x
  3. Step 3: Cross multiply
    4,960.80x = 6,845.89 × 2,722.72
  4. Step 4: Simplify right side
    4,960.80x = 18,639,417.70
  5. Step 5: Solve for x
    x = 18,639,417.70/4,960.80
  6. Step 6: Final answer
    x = 3,757.34

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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.