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Finding the Fourth Proportional to 6,212.44, 9,319.74 and 5,566.60

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Solution

The fourth proportional to 6,212.44, 9,319.74 and 5,566.60 is: 8,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.44 : 9,319.74 = 5,566.60 : x
  2. Step 2: Convert to fraction form
    6,212.44/9,319.74 = 5,566.60/x
  3. Step 3: Cross multiply
    6,212.44x = 9,319.74 × 5,566.60
  4. Step 4: Simplify right side
    6,212.44x = 51,879,264.68
  5. Step 5: Solve for x
    x = 51,879,264.68/6,212.44
  6. Step 6: Final answer
    x = 8,350.87

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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.