Home / 4,163.42-6,238.20-2,928.23

Finding the Fourth Proportional to 4,163.42, 6,238.20 and 2,928.23

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Solution

The fourth proportional to 4,163.42, 6,238.20 and 2,928.23 is: 4,387.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.42 : 6,238.20 = 2,928.23 : x
  2. Step 2: Convert to fraction form
    4,163.42/6,238.20 = 2,928.23/x
  3. Step 3: Cross multiply
    4,163.42x = 6,238.20 × 2,928.23
  4. Step 4: Simplify right side
    4,163.42x = 18,266,900.15
  5. Step 5: Solve for x
    x = 18,266,900.15/4,163.42
  6. Step 6: Final answer
    x = 4,387.48

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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.