Home / 4,250.27-6,375.41-1,288.71

Finding the Fourth Proportional to 4,250.27, 6,375.41 and 1,288.71

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Solution

The fourth proportional to 4,250.27, 6,375.41 and 1,288.71 is: 1,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,250.27 : 6,375.41 = 1,288.71 : x
  2. Step 2: Convert to fraction form
    4,250.27/6,375.41 = 1,288.71/x
  3. Step 3: Cross multiply
    4,250.27x = 6,375.41 × 1,288.71
  4. Step 4: Simplify right side
    4,250.27x = 8,216,053.01
  5. Step 5: Solve for x
    x = 8,216,053.01/4,250.27
  6. Step 6: Final answer
    x = 1,933.07

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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.