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Finding the Fourth Proportional to 8,496.94, 12,728.90 and 4,216.58

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Solution

The fourth proportional to 8,496.94, 12,728.90 and 4,216.58 is: 6,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.94 : 12,728.90 = 4,216.58 : x
  2. Step 2: Convert to fraction form
    8,496.94/12,728.90 = 4,216.58/x
  3. Step 3: Cross multiply
    8,496.94x = 12,728.90 × 4,216.58
  4. Step 4: Simplify right side
    8,496.94x = 53,672,425.16
  5. Step 5: Solve for x
    x = 53,672,425.16/8,496.94
  6. Step 6: Final answer
    x = 6,316.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.