Home / 4,131.24-6,197.77-1,209.57

Finding the Fourth Proportional to 4,131.24, 6,197.77 and 1,209.57

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Solution

The fourth proportional to 4,131.24, 6,197.77 and 1,209.57 is: 1,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.24 : 6,197.77 = 1,209.57 : x
  2. Step 2: Convert to fraction form
    4,131.24/6,197.77 = 1,209.57/x
  3. Step 3: Cross multiply
    4,131.24x = 6,197.77 × 1,209.57
  4. Step 4: Simplify right side
    4,131.24x = 7,496,608.13
  5. Step 5: Solve for x
    x = 7,496,608.13/4,131.24
  6. Step 6: Final answer
    x = 1,814.62

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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.