Home / 4,327.20-5,969.40-2,755.80

Finding the Fourth Proportional to 4,327.20, 5,969.40 and 2,755.80

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Solution

The fourth proportional to 4,327.20, 5,969.40 and 2,755.80 is: 3,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.20 : 5,969.40 = 2,755.80 : x
  2. Step 2: Convert to fraction form
    4,327.20/5,969.40 = 2,755.80/x
  3. Step 3: Cross multiply
    4,327.20x = 5,969.40 × 2,755.80
  4. Step 4: Simplify right side
    4,327.20x = 16,450,472.52
  5. Step 5: Solve for x
    x = 16,450,472.52/4,327.20
  6. Step 6: Final answer
    x = 3,801.64

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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.