Home / 4,910.48-6,774.72-3,021.38

Finding the Fourth Proportional to 4,910.48, 6,774.72 and 3,021.38

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Solution

The fourth proportional to 4,910.48, 6,774.72 and 3,021.38 is: 4,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.48 : 6,774.72 = 3,021.38 : x
  2. Step 2: Convert to fraction form
    4,910.48/6,774.72 = 3,021.38/x
  3. Step 3: Cross multiply
    4,910.48x = 6,774.72 × 3,021.38
  4. Step 4: Simplify right side
    4,910.48x = 20,469,003.51
  5. Step 5: Solve for x
    x = 20,469,003.51/4,910.48
  6. Step 6: Final answer
    x = 4,168.43

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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.