Home / 4,131.54-6,197.23-1,209.78

Finding the Fourth Proportional to 4,131.54, 6,197.23 and 1,209.78

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Solution

The fourth proportional to 4,131.54, 6,197.23 and 1,209.78 is: 1,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.54 : 6,197.23 = 1,209.78 : x
  2. Step 2: Convert to fraction form
    4,131.54/6,197.23 = 1,209.78/x
  3. Step 3: Cross multiply
    4,131.54x = 6,197.23 × 1,209.78
  4. Step 4: Simplify right side
    4,131.54x = 7,497,284.91
  5. Step 5: Solve for x
    x = 7,497,284.91/4,131.54
  6. Step 6: Final answer
    x = 1,814.65

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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.