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Finding the Fourth Proportional to 5,819.23, 8,728.98 and 5,367.86

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Solution

The fourth proportional to 5,819.23, 8,728.98 and 5,367.86 is: 8,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.23 : 8,728.98 = 5,367.86 : x
  2. Step 2: Convert to fraction form
    5,819.23/8,728.98 = 5,367.86/x
  3. Step 3: Cross multiply
    5,819.23x = 8,728.98 × 5,367.86
  4. Step 4: Simplify right side
    5,819.23x = 46,855,942.58
  5. Step 5: Solve for x
    x = 46,855,942.58/5,819.23
  6. Step 6: Final answer
    x = 8,051.91

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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.