Home / 3,826.20-5,771.73-3,664.20

Finding the Fourth Proportional to 3,826.20, 5,771.73 and 3,664.20

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Solution

The fourth proportional to 3,826.20, 5,771.73 and 3,664.20 is: 5,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.20 : 5,771.73 = 3,664.20 : x
  2. Step 2: Convert to fraction form
    3,826.20/5,771.73 = 3,664.20/x
  3. Step 3: Cross multiply
    3,826.20x = 5,771.73 × 3,664.20
  4. Step 4: Simplify right side
    3,826.20x = 21,148,773.07
  5. Step 5: Solve for x
    x = 21,148,773.07/3,826.20
  6. Step 6: Final answer
    x = 5,527.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.