Home / 5,518.19-8,275.53-1,819.73

Finding the Fourth Proportional to 5,518.19, 8,275.53 and 1,819.73

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Solution

The fourth proportional to 5,518.19, 8,275.53 and 1,819.73 is: 2,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.19 : 8,275.53 = 1,819.73 : x
  2. Step 2: Convert to fraction form
    5,518.19/8,275.53 = 1,819.73/x
  3. Step 3: Cross multiply
    5,518.19x = 8,275.53 × 1,819.73
  4. Step 4: Simplify right side
    5,518.19x = 15,059,257.72
  5. Step 5: Solve for x
    x = 15,059,257.72/5,518.19
  6. Step 6: Final answer
    x = 2,729.02

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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.