Home / 5,516.98-8,276.72-1,819.58

Finding the Fourth Proportional to 5,516.98, 8,276.72 and 1,819.58

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Solution

The fourth proportional to 5,516.98, 8,276.72 and 1,819.58 is: 2,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.98 : 8,276.72 = 1,819.58 : x
  2. Step 2: Convert to fraction form
    5,516.98/8,276.72 = 1,819.58/x
  3. Step 3: Cross multiply
    5,516.98x = 8,276.72 × 1,819.58
  4. Step 4: Simplify right side
    5,516.98x = 15,060,154.18
  5. Step 5: Solve for x
    x = 15,060,154.18/5,516.98
  6. Step 6: Final answer
    x = 2,729.78

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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.