Home / 4,119.40-6,178.96-1,197.72

Finding the Fourth Proportional to 4,119.40, 6,178.96 and 1,197.72

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Solution

The fourth proportional to 4,119.40, 6,178.96 and 1,197.72 is: 1,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.40 : 6,178.96 = 1,197.72 : x
  2. Step 2: Convert to fraction form
    4,119.40/6,178.96 = 1,197.72/x
  3. Step 3: Cross multiply
    4,119.40x = 6,178.96 × 1,197.72
  4. Step 4: Simplify right side
    4,119.40x = 7,400,663.97
  5. Step 5: Solve for x
    x = 7,400,663.97/4,119.40
  6. Step 6: Final answer
    x = 1,796.54

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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.