Home / 4,131.75-6,196.41-1,209.36

Finding the Fourth Proportional to 4,131.75, 6,196.41 and 1,209.36

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Solution

The fourth proportional to 4,131.75, 6,196.41 and 1,209.36 is: 1,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.75 : 6,196.41 = 1,209.36 : x
  2. Step 2: Convert to fraction form
    4,131.75/6,196.41 = 1,209.36/x
  3. Step 3: Cross multiply
    4,131.75x = 6,196.41 × 1,209.36
  4. Step 4: Simplify right side
    4,131.75x = 7,493,690.40
  5. Step 5: Solve for x
    x = 7,493,690.40/4,131.75
  6. Step 6: Final answer
    x = 1,813.68

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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.