Home / 5,764.11-7,942.91-3,992.64

Finding the Fourth Proportional to 5,764.11, 7,942.91 and 3,992.64

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Solution

The fourth proportional to 5,764.11, 7,942.91 and 3,992.64 is: 5,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,764.11 : 7,942.91 = 3,992.64 : x
  2. Step 2: Convert to fraction form
    5,764.11/7,942.91 = 3,992.64/x
  3. Step 3: Cross multiply
    5,764.11x = 7,942.91 × 3,992.64
  4. Step 4: Simplify right side
    5,764.11x = 31,713,197.57
  5. Step 5: Solve for x
    x = 31,713,197.57/5,764.11
  6. Step 6: Final answer
    x = 5,501.84

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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.