Home / 4,183.44-6,274.06-1,987.80

Finding the Fourth Proportional to 4,183.44, 6,274.06 and 1,987.80

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Solution

The fourth proportional to 4,183.44, 6,274.06 and 1,987.80 is: 2,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.44 : 6,274.06 = 1,987.80 : x
  2. Step 2: Convert to fraction form
    4,183.44/6,274.06 = 1,987.80/x
  3. Step 3: Cross multiply
    4,183.44x = 6,274.06 × 1,987.80
  4. Step 4: Simplify right side
    4,183.44x = 12,471,576.47
  5. Step 5: Solve for x
    x = 12,471,576.47/4,183.44
  6. Step 6: Final answer
    x = 2,981.18

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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.