Home / 4,131.42-6,197.70-1,209.30

Finding the Fourth Proportional to 4,131.42, 6,197.70 and 1,209.30

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Solution

The fourth proportional to 4,131.42, 6,197.70 and 1,209.30 is: 1,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.42 : 6,197.70 = 1,209.30 : x
  2. Step 2: Convert to fraction form
    4,131.42/6,197.70 = 1,209.30/x
  3. Step 3: Cross multiply
    4,131.42x = 6,197.70 × 1,209.30
  4. Step 4: Simplify right side
    4,131.42x = 7,494,878.61
  5. Step 5: Solve for x
    x = 7,494,878.61/4,131.42
  6. Step 6: Final answer
    x = 1,814.12

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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.