Home / 4,111.70-6,167.55-3,419.15

Finding the Fourth Proportional to 4,111.70, 6,167.55 and 3,419.15

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Solution

The fourth proportional to 4,111.70, 6,167.55 and 3,419.15 is: 5,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.70 : 6,167.55 = 3,419.15 : x
  2. Step 2: Convert to fraction form
    4,111.70/6,167.55 = 3,419.15/x
  3. Step 3: Cross multiply
    4,111.70x = 6,167.55 × 3,419.15
  4. Step 4: Simplify right side
    4,111.70x = 21,087,778.58
  5. Step 5: Solve for x
    x = 21,087,778.58/4,111.70
  6. Step 6: Final answer
    x = 5,128.73

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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.