Home / 3,882.16-5,356.21-3,507.94

Finding the Fourth Proportional to 3,882.16, 5,356.21 and 3,507.94

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Solution

The fourth proportional to 3,882.16, 5,356.21 and 3,507.94 is: 4,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.16 : 5,356.21 = 3,507.94 : x
  2. Step 2: Convert to fraction form
    3,882.16/5,356.21 = 3,507.94/x
  3. Step 3: Cross multiply
    3,882.16x = 5,356.21 × 3,507.94
  4. Step 4: Simplify right side
    3,882.16x = 18,789,218.99
  5. Step 5: Solve for x
    x = 18,789,218.99/3,882.16
  6. Step 6: Final answer
    x = 4,839.89

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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.