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Finding the Fourth Proportional to 4,144.66, 6,216.99 and 1,679.02

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Solution

The fourth proportional to 4,144.66, 6,216.99 and 1,679.02 is: 2,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.66 : 6,216.99 = 1,679.02 : x
  2. Step 2: Convert to fraction form
    4,144.66/6,216.99 = 1,679.02/x
  3. Step 3: Cross multiply
    4,144.66x = 6,216.99 × 1,679.02
  4. Step 4: Simplify right side
    4,144.66x = 10,438,450.55
  5. Step 5: Solve for x
    x = 10,438,450.55/4,144.66
  6. Step 6: Final answer
    x = 2,518.53

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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.