Home / 6,119.20-8,443.92-4,232.80

Finding the Fourth Proportional to 6,119.20, 8,443.92 and 4,232.80

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Solution

The fourth proportional to 6,119.20, 8,443.92 and 4,232.80 is: 5,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.20 : 8,443.92 = 4,232.80 : x
  2. Step 2: Convert to fraction form
    6,119.20/8,443.92 = 4,232.80/x
  3. Step 3: Cross multiply
    6,119.20x = 8,443.92 × 4,232.80
  4. Step 4: Simplify right side
    6,119.20x = 35,741,424.58
  5. Step 5: Solve for x
    x = 35,741,424.58/6,119.20
  6. Step 6: Final answer
    x = 5,840.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.