Home / 4,992.27-7,478.37-2,485.90

Finding the Fourth Proportional to 4,992.27, 7,478.37 and 2,485.90

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Solution

The fourth proportional to 4,992.27, 7,478.37 and 2,485.90 is: 3,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.27 : 7,478.37 = 2,485.90 : x
  2. Step 2: Convert to fraction form
    4,992.27/7,478.37 = 2,485.90/x
  3. Step 3: Cross multiply
    4,992.27x = 7,478.37 × 2,485.90
  4. Step 4: Simplify right side
    4,992.27x = 18,590,479.98
  5. Step 5: Solve for x
    x = 18,590,479.98/4,992.27
  6. Step 6: Final answer
    x = 3,723.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.