Home / 4,185.37-6,278.46-1,412.90

Finding the Fourth Proportional to 4,185.37, 6,278.46 and 1,412.90

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Solution

The fourth proportional to 4,185.37, 6,278.46 and 1,412.90 is: 2,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.37 : 6,278.46 = 1,412.90 : x
  2. Step 2: Convert to fraction form
    4,185.37/6,278.46 = 1,412.90/x
  3. Step 3: Cross multiply
    4,185.37x = 6,278.46 × 1,412.90
  4. Step 4: Simplify right side
    4,185.37x = 8,870,797.68
  5. Step 5: Solve for x
    x = 8,870,797.68/4,185.37
  6. Step 6: Final answer
    x = 2,119.48

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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.