Home / 4,120.52-6,182.36-2,478.23

Finding the Fourth Proportional to 4,120.52, 6,182.36 and 2,478.23

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Solution

The fourth proportional to 4,120.52, 6,182.36 and 2,478.23 is: 3,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.52 : 6,182.36 = 2,478.23 : x
  2. Step 2: Convert to fraction form
    4,120.52/6,182.36 = 2,478.23/x
  3. Step 3: Cross multiply
    4,120.52x = 6,182.36 × 2,478.23
  4. Step 4: Simplify right side
    4,120.52x = 15,321,297.63
  5. Step 5: Solve for x
    x = 15,321,297.63/4,120.52
  6. Step 6: Final answer
    x = 3,718.29

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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.