Home / 4,086.76-5,634.06-2,758.36

Finding the Fourth Proportional to 4,086.76, 5,634.06 and 2,758.36

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Solution

The fourth proportional to 4,086.76, 5,634.06 and 2,758.36 is: 3,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.76 : 5,634.06 = 2,758.36 : x
  2. Step 2: Convert to fraction form
    4,086.76/5,634.06 = 2,758.36/x
  3. Step 3: Cross multiply
    4,086.76x = 5,634.06 × 2,758.36
  4. Step 4: Simplify right side
    4,086.76x = 15,540,765.74
  5. Step 5: Solve for x
    x = 15,540,765.74/4,086.76
  6. Step 6: Final answer
    x = 3,802.71

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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.