Home / 4,881.71-6,736.88-2,786.03

Finding the Fourth Proportional to 4,881.71, 6,736.88 and 2,786.03

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Solution

The fourth proportional to 4,881.71, 6,736.88 and 2,786.03 is: 3,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.71 : 6,736.88 = 2,786.03 : x
  2. Step 2: Convert to fraction form
    4,881.71/6,736.88 = 2,786.03/x
  3. Step 3: Cross multiply
    4,881.71x = 6,736.88 × 2,786.03
  4. Step 4: Simplify right side
    4,881.71x = 18,769,135.86
  5. Step 5: Solve for x
    x = 18,769,135.86/4,881.71
  6. Step 6: Final answer
    x = 3,844.79

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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.