Home / 5,516.92-8,276.40-1,819.30

Finding the Fourth Proportional to 5,516.92, 8,276.40 and 1,819.30

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Solution

The fourth proportional to 5,516.92, 8,276.40 and 1,819.30 is: 2,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.92 : 8,276.40 = 1,819.30 : x
  2. Step 2: Convert to fraction form
    5,516.92/8,276.40 = 1,819.30/x
  3. Step 3: Cross multiply
    5,516.92x = 8,276.40 × 1,819.30
  4. Step 4: Simplify right side
    5,516.92x = 15,057,254.52
  5. Step 5: Solve for x
    x = 15,057,254.52/5,516.92
  6. Step 6: Final answer
    x = 2,729.29

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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.