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Finding the Fourth Proportional to 6,324.15, 8,723.70 and 3,671.22

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Solution

The fourth proportional to 6,324.15, 8,723.70 and 3,671.22 is: 5,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.15 : 8,723.70 = 3,671.22 : x
  2. Step 2: Convert to fraction form
    6,324.15/8,723.70 = 3,671.22/x
  3. Step 3: Cross multiply
    6,324.15x = 8,723.70 × 3,671.22
  4. Step 4: Simplify right side
    6,324.15x = 32,026,621.91
  5. Step 5: Solve for x
    x = 32,026,621.91/6,324.15
  6. Step 6: Final answer
    x = 5,064.18

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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.