Home / 4,131.36-6,196.77-1,790.21

Finding the Fourth Proportional to 4,131.36, 6,196.77 and 1,790.21

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Solution

The fourth proportional to 4,131.36, 6,196.77 and 1,790.21 is: 2,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.36 : 6,196.77 = 1,790.21 : x
  2. Step 2: Convert to fraction form
    4,131.36/6,196.77 = 1,790.21/x
  3. Step 3: Cross multiply
    4,131.36x = 6,196.77 × 1,790.21
  4. Step 4: Simplify right side
    4,131.36x = 11,093,488.64
  5. Step 5: Solve for x
    x = 11,093,488.64/4,131.36
  6. Step 6: Final answer
    x = 2,685.19

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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.