Home / 4,086.30-5,635.35-2,908.38

Finding the Fourth Proportional to 4,086.30, 5,635.35 and 2,908.38

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Solution

The fourth proportional to 4,086.30, 5,635.35 and 2,908.38 is: 4,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.30 : 5,635.35 = 2,908.38 : x
  2. Step 2: Convert to fraction form
    4,086.30/5,635.35 = 2,908.38/x
  3. Step 3: Cross multiply
    4,086.30x = 5,635.35 × 2,908.38
  4. Step 4: Simplify right side
    4,086.30x = 16,389,739.23
  5. Step 5: Solve for x
    x = 16,389,739.23/4,086.30
  6. Step 6: Final answer
    x = 4,010.90

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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.