Home / 4,280.94-5,909.01-2,786.22

Finding the Fourth Proportional to 4,280.94, 5,909.01 and 2,786.22

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Solution

The fourth proportional to 4,280.94, 5,909.01 and 2,786.22 is: 3,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.94 : 5,909.01 = 2,786.22 : x
  2. Step 2: Convert to fraction form
    4,280.94/5,909.01 = 2,786.22/x
  3. Step 3: Cross multiply
    4,280.94x = 5,909.01 × 2,786.22
  4. Step 4: Simplify right side
    4,280.94x = 16,463,801.84
  5. Step 5: Solve for x
    x = 16,463,801.84/4,280.94
  6. Step 6: Final answer
    x = 3,845.84

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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.