Home / 4,936.80-6,809.45-3,170.55

Finding the Fourth Proportional to 4,936.80, 6,809.45 and 3,170.55

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Solution

The fourth proportional to 4,936.80, 6,809.45 and 3,170.55 is: 4,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.80 : 6,809.45 = 3,170.55 : x
  2. Step 2: Convert to fraction form
    4,936.80/6,809.45 = 3,170.55/x
  3. Step 3: Cross multiply
    4,936.80x = 6,809.45 × 3,170.55
  4. Step 4: Simplify right side
    4,936.80x = 21,589,685.84
  5. Step 5: Solve for x
    x = 21,589,685.84/4,936.80
  6. Step 6: Final answer
    x = 4,373.21

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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.