Home / 4,812.25-6,640.97-2,716.39

Finding the Fourth Proportional to 4,812.25, 6,640.97 and 2,716.39

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Solution

The fourth proportional to 4,812.25, 6,640.97 and 2,716.39 is: 3,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.25 : 6,640.97 = 2,716.39 : x
  2. Step 2: Convert to fraction form
    4,812.25/6,640.97 = 2,716.39/x
  3. Step 3: Cross multiply
    4,812.25x = 6,640.97 × 2,716.39
  4. Step 4: Simplify right side
    4,812.25x = 18,039,464.50
  5. Step 5: Solve for x
    x = 18,039,464.50/4,812.25
  6. Step 6: Final answer
    x = 3,748.65

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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.