Home / 5,516.85-8,276.30-1,819.23

Finding the Fourth Proportional to 5,516.85, 8,276.30 and 1,819.23

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Solution

The fourth proportional to 5,516.85, 8,276.30 and 1,819.23 is: 2,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.85 : 8,276.30 = 1,819.23 : x
  2. Step 2: Convert to fraction form
    5,516.85/8,276.30 = 1,819.23/x
  3. Step 3: Cross multiply
    5,516.85x = 8,276.30 × 1,819.23
  4. Step 4: Simplify right side
    5,516.85x = 15,056,484.15
  5. Step 5: Solve for x
    x = 15,056,484.15/5,516.85
  6. Step 6: Final answer
    x = 2,729.18

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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.