Home / 4,906.36-6,770.63-2,782.09

Finding the Fourth Proportional to 4,906.36, 6,770.63 and 2,782.09

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Solution

The fourth proportional to 4,906.36, 6,770.63 and 2,782.09 is: 3,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.36 : 6,770.63 = 2,782.09 : x
  2. Step 2: Convert to fraction form
    4,906.36/6,770.63 = 2,782.09/x
  3. Step 3: Cross multiply
    4,906.36x = 6,770.63 × 2,782.09
  4. Step 4: Simplify right side
    4,906.36x = 18,836,471.53
  5. Step 5: Solve for x
    x = 18,836,471.53/4,906.36
  6. Step 6: Final answer
    x = 3,839.19

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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.