Home / 4,121.82-6,181.01-1,782.95

Finding the Fourth Proportional to 4,121.82, 6,181.01 and 1,782.95

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Solution

The fourth proportional to 4,121.82, 6,181.01 and 1,782.95 is: 2,673.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.82 : 6,181.01 = 1,782.95 : x
  2. Step 2: Convert to fraction form
    4,121.82/6,181.01 = 1,782.95/x
  3. Step 3: Cross multiply
    4,121.82x = 6,181.01 × 1,782.95
  4. Step 4: Simplify right side
    4,121.82x = 11,020,398.65
  5. Step 5: Solve for x
    x = 11,020,398.65/4,121.82
  6. Step 6: Final answer
    x = 2,673.67

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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.