Home / 4,447.75-6,137.81-2,768.31

Finding the Fourth Proportional to 4,447.75, 6,137.81 and 2,768.31

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Solution

The fourth proportional to 4,447.75, 6,137.81 and 2,768.31 is: 3,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.75 : 6,137.81 = 2,768.31 : x
  2. Step 2: Convert to fraction form
    4,447.75/6,137.81 = 2,768.31/x
  3. Step 3: Cross multiply
    4,447.75x = 6,137.81 × 2,768.31
  4. Step 4: Simplify right side
    4,447.75x = 16,991,360.80
  5. Step 5: Solve for x
    x = 16,991,360.80/4,447.75
  6. Step 6: Final answer
    x = 3,820.21

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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.