Home / 5,072.74-6,998.28-3,183.72

Finding the Fourth Proportional to 5,072.74, 6,998.28 and 3,183.72

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Solution

The fourth proportional to 5,072.74, 6,998.28 and 3,183.72 is: 4,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.74 : 6,998.28 = 3,183.72 : x
  2. Step 2: Convert to fraction form
    5,072.74/6,998.28 = 3,183.72/x
  3. Step 3: Cross multiply
    5,072.74x = 6,998.28 × 3,183.72
  4. Step 4: Simplify right side
    5,072.74x = 22,280,525.82
  5. Step 5: Solve for x
    x = 22,280,525.82/5,072.74
  6. Step 6: Final answer
    x = 4,392.21

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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.