Home / 4,086.23-5,635.73-2,669.81

Finding the Fourth Proportional to 4,086.23, 5,635.73 and 2,669.81

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Solution

The fourth proportional to 4,086.23, 5,635.73 and 2,669.81 is: 3,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.23 : 5,635.73 = 2,669.81 : x
  2. Step 2: Convert to fraction form
    4,086.23/5,635.73 = 2,669.81/x
  3. Step 3: Cross multiply
    4,086.23x = 5,635.73 × 2,669.81
  4. Step 4: Simplify right side
    4,086.23x = 15,046,314.96
  5. Step 5: Solve for x
    x = 15,046,314.96/4,086.23
  6. Step 6: Final answer
    x = 3,682.20

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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.