Home / 4,187.28-6,276.84-1,995.42

Finding the Fourth Proportional to 4,187.28, 6,276.84 and 1,995.42

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Solution

The fourth proportional to 4,187.28, 6,276.84 and 1,995.42 is: 2,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.28 : 6,276.84 = 1,995.42 : x
  2. Step 2: Convert to fraction form
    4,187.28/6,276.84 = 1,995.42/x
  3. Step 3: Cross multiply
    4,187.28x = 6,276.84 × 1,995.42
  4. Step 4: Simplify right side
    4,187.28x = 12,524,932.07
  5. Step 5: Solve for x
    x = 12,524,932.07/4,187.28
  6. Step 6: Final answer
    x = 2,991.19

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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.