Home / 8,125.25-11,212.85-4,399.25

Finding the Fourth Proportional to 8,125.25, 11,212.85 and 4,399.25

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Solution

The fourth proportional to 8,125.25, 11,212.85 and 4,399.25 is: 6,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.25 : 11,212.85 = 4,399.25 : x
  2. Step 2: Convert to fraction form
    8,125.25/11,212.85 = 4,399.25/x
  3. Step 3: Cross multiply
    8,125.25x = 11,212.85 × 4,399.25
  4. Step 4: Simplify right side
    8,125.25x = 49,328,108.37
  5. Step 5: Solve for x
    x = 49,328,108.37/8,125.25
  6. Step 6: Final answer
    x = 6,070.97

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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.