Home / 4,991.48-6,889.82-3,223.05

Finding the Fourth Proportional to 4,991.48, 6,889.82 and 3,223.05

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Solution

The fourth proportional to 4,991.48, 6,889.82 and 3,223.05 is: 4,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.48 : 6,889.82 = 3,223.05 : x
  2. Step 2: Convert to fraction form
    4,991.48/6,889.82 = 3,223.05/x
  3. Step 3: Cross multiply
    4,991.48x = 6,889.82 × 3,223.05
  4. Step 4: Simplify right side
    4,991.48x = 22,206,234.35
  5. Step 5: Solve for x
    x = 22,206,234.35/4,991.48
  6. Step 6: Final answer
    x = 4,448.83

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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.