Home / 4,164.12-6,246.30-1,855.80

Finding the Fourth Proportional to 4,164.12, 6,246.30 and 1,855.80

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Solution

The fourth proportional to 4,164.12, 6,246.30 and 1,855.80 is: 2,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.12 : 6,246.30 = 1,855.80 : x
  2. Step 2: Convert to fraction form
    4,164.12/6,246.30 = 1,855.80/x
  3. Step 3: Cross multiply
    4,164.12x = 6,246.30 × 1,855.80
  4. Step 4: Simplify right side
    4,164.12x = 11,591,883.54
  5. Step 5: Solve for x
    x = 11,591,883.54/4,164.12
  6. Step 6: Final answer
    x = 2,783.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.