Home / 4,145.76-6,217.35-1,371.84

Finding the Fourth Proportional to 4,145.76, 6,217.35 and 1,371.84

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Solution

The fourth proportional to 4,145.76, 6,217.35 and 1,371.84 is: 2,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.76 : 6,217.35 = 1,371.84 : x
  2. Step 2: Convert to fraction form
    4,145.76/6,217.35 = 1,371.84/x
  3. Step 3: Cross multiply
    4,145.76x = 6,217.35 × 1,371.84
  4. Step 4: Simplify right side
    4,145.76x = 8,529,209.42
  5. Step 5: Solve for x
    x = 8,529,209.42/4,145.76
  6. Step 6: Final answer
    x = 2,057.33

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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.