Home / 4,119.78-6,180.29-1,197.71

Finding the Fourth Proportional to 4,119.78, 6,180.29 and 1,197.71

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Solution

The fourth proportional to 4,119.78, 6,180.29 and 1,197.71 is: 1,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.78 : 6,180.29 = 1,197.71 : x
  2. Step 2: Convert to fraction form
    4,119.78/6,180.29 = 1,197.71/x
  3. Step 3: Cross multiply
    4,119.78x = 6,180.29 × 1,197.71
  4. Step 4: Simplify right side
    4,119.78x = 7,402,195.14
  5. Step 5: Solve for x
    x = 7,402,195.14/4,119.78
  6. Step 6: Final answer
    x = 1,796.75

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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.