Home / 4,120.56-6,182.42-2,478.24

Finding the Fourth Proportional to 4,120.56, 6,182.42 and 2,478.24

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Solution

The fourth proportional to 4,120.56, 6,182.42 and 2,478.24 is: 3,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.56 : 6,182.42 = 2,478.24 : x
  2. Step 2: Convert to fraction form
    4,120.56/6,182.42 = 2,478.24/x
  3. Step 3: Cross multiply
    4,120.56x = 6,182.42 × 2,478.24
  4. Step 4: Simplify right side
    4,120.56x = 15,321,508.15
  5. Step 5: Solve for x
    x = 15,321,508.15/4,120.56
  6. Step 6: Final answer
    x = 3,718.31

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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.