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Finding the Fourth Proportional to 6,324.53, 8,724.22 and 3,671.60

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Solution

The fourth proportional to 6,324.53, 8,724.22 and 3,671.60 is: 5,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.53 : 8,724.22 = 3,671.60 : x
  2. Step 2: Convert to fraction form
    6,324.53/8,724.22 = 3,671.60/x
  3. Step 3: Cross multiply
    6,324.53x = 8,724.22 × 3,671.60
  4. Step 4: Simplify right side
    6,324.53x = 32,031,793.35
  5. Step 5: Solve for x
    x = 32,031,793.35/6,324.53
  6. Step 6: Final answer
    x = 5,064.70

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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.