Home / 4,096.75-6,139.18-2,221.05

Finding the Fourth Proportional to 4,096.75, 6,139.18 and 2,221.05

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Solution

The fourth proportional to 4,096.75, 6,139.18 and 2,221.05 is: 3,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,096.75 : 6,139.18 = 2,221.05 : x
  2. Step 2: Convert to fraction form
    4,096.75/6,139.18 = 2,221.05/x
  3. Step 3: Cross multiply
    4,096.75x = 6,139.18 × 2,221.05
  4. Step 4: Simplify right side
    4,096.75x = 13,635,443.21
  5. Step 5: Solve for x
    x = 13,635,443.21/4,096.75
  6. Step 6: Final answer
    x = 3,328.36

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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.