Home / 4,120.36-6,180.83-1,346.83

Finding the Fourth Proportional to 4,120.36, 6,180.83 and 1,346.83

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Solution

The fourth proportional to 4,120.36, 6,180.83 and 1,346.83 is: 2,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.36 : 6,180.83 = 1,346.83 : x
  2. Step 2: Convert to fraction form
    4,120.36/6,180.83 = 1,346.83/x
  3. Step 3: Cross multiply
    4,120.36x = 6,180.83 × 1,346.83
  4. Step 4: Simplify right side
    4,120.36x = 8,324,527.27
  5. Step 5: Solve for x
    x = 8,324,527.27/4,120.36
  6. Step 6: Final answer
    x = 2,020.34

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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.