Home / 3,992.49-5,505.08-3,362.06

Finding the Fourth Proportional to 3,992.49, 5,505.08 and 3,362.06

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Solution

The fourth proportional to 3,992.49, 5,505.08 and 3,362.06 is: 4,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.49 : 5,505.08 = 3,362.06 : x
  2. Step 2: Convert to fraction form
    3,992.49/5,505.08 = 3,362.06/x
  3. Step 3: Cross multiply
    3,992.49x = 5,505.08 × 3,362.06
  4. Step 4: Simplify right side
    3,992.49x = 18,508,364.93
  5. Step 5: Solve for x
    x = 18,508,364.93/3,992.49
  6. Step 6: Final answer
    x = 4,635.79

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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.