Home / 4,167.45-6,251.18-1,247.81

Finding the Fourth Proportional to 4,167.45, 6,251.18 and 1,247.81

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Solution

The fourth proportional to 4,167.45, 6,251.18 and 1,247.81 is: 1,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.45 : 6,251.18 = 1,247.81 : x
  2. Step 2: Convert to fraction form
    4,167.45/6,251.18 = 1,247.81/x
  3. Step 3: Cross multiply
    4,167.45x = 6,251.18 × 1,247.81
  4. Step 4: Simplify right side
    4,167.45x = 7,800,247.42
  5. Step 5: Solve for x
    x = 7,800,247.42/4,167.45
  6. Step 6: Final answer
    x = 1,871.71

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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.