Home / 5,517.49-8,277.42-1,819.59

Finding the Fourth Proportional to 5,517.49, 8,277.42 and 1,819.59

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Solution

The fourth proportional to 5,517.49, 8,277.42 and 1,819.59 is: 2,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.49 : 8,277.42 = 1,819.59 : x
  2. Step 2: Convert to fraction form
    5,517.49/8,277.42 = 1,819.59/x
  3. Step 3: Cross multiply
    5,517.49x = 8,277.42 × 1,819.59
  4. Step 4: Simplify right side
    5,517.49x = 15,061,494.37
  5. Step 5: Solve for x
    x = 15,061,494.37/5,517.49
  6. Step 6: Final answer
    x = 2,729.77

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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.