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Finding the Fourth Proportional to 6,321.63, 8,727.13 and 4,618.22

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Solution

The fourth proportional to 6,321.63, 8,727.13 and 4,618.22 is: 6,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.63 : 8,727.13 = 4,618.22 : x
  2. Step 2: Convert to fraction form
    6,321.63/8,727.13 = 4,618.22/x
  3. Step 3: Cross multiply
    6,321.63x = 8,727.13 × 4,618.22
  4. Step 4: Simplify right side
    6,321.63x = 40,303,802.79
  5. Step 5: Solve for x
    x = 40,303,802.79/6,321.63
  6. Step 6: Final answer
    x = 6,375.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.