Home / 4,130.82-6,195.78-1,209.15

Finding the Fourth Proportional to 4,130.82, 6,195.78 and 1,209.15

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Solution

The fourth proportional to 4,130.82, 6,195.78 and 1,209.15 is: 1,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.82 : 6,195.78 = 1,209.15 : x
  2. Step 2: Convert to fraction form
    4,130.82/6,195.78 = 1,209.15/x
  3. Step 3: Cross multiply
    4,130.82x = 6,195.78 × 1,209.15
  4. Step 4: Simplify right side
    4,130.82x = 7,491,627.39
  5. Step 5: Solve for x
    x = 7,491,627.39/4,130.82
  6. Step 6: Final answer
    x = 1,813.59

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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.