Home / 5,056.88-7,583.79-1,679

Finding the Fourth Proportional to 5,056.88, 7,583.79 and 1,679

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Solution

The fourth proportional to 5,056.88, 7,583.79 and 1,679 is: 2,517.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.88 : 7,583.79 = 1,679 : x
  2. Step 2: Convert to fraction form
    5,056.88/7,583.79 = 1,679/x
  3. Step 3: Cross multiply
    5,056.88x = 7,583.79 × 1,679
  4. Step 4: Simplify right side
    5,056.88x = 12,733,183.41
  5. Step 5: Solve for x
    x = 12,733,183.41/5,056.88
  6. Step 6: Final answer
    x = 2,517.99

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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.