Home / 8,131.50-11,220.85-4,944.35

Finding the Fourth Proportional to 8,131.50, 11,220.85 and 4,944.35

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Solution

The fourth proportional to 8,131.50, 11,220.85 and 4,944.35 is: 6,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.50 : 11,220.85 = 4,944.35 : x
  2. Step 2: Convert to fraction form
    8,131.50/11,220.85 = 4,944.35/x
  3. Step 3: Cross multiply
    8,131.50x = 11,220.85 × 4,944.35
  4. Step 4: Simplify right side
    8,131.50x = 55,479,816.12
  5. Step 5: Solve for x
    x = 55,479,816.12/8,131.50
  6. Step 6: Final answer
    x = 6,822.83

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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.