Home / 4,145.96-6,216.91-1,371.71

Finding the Fourth Proportional to 4,145.96, 6,216.91 and 1,371.71

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Solution

The fourth proportional to 4,145.96, 6,216.91 and 1,371.71 is: 2,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.96 : 6,216.91 = 1,371.71 : x
  2. Step 2: Convert to fraction form
    4,145.96/6,216.91 = 1,371.71/x
  3. Step 3: Cross multiply
    4,145.96x = 6,216.91 × 1,371.71
  4. Step 4: Simplify right side
    4,145.96x = 8,527,797.62
  5. Step 5: Solve for x
    x = 8,527,797.62/4,145.96
  6. Step 6: Final answer
    x = 2,056.89

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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.