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Finding the Fourth Proportional to 8,154.99, 12,233.70 and 2,607.84

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Solution

The fourth proportional to 8,154.99, 12,233.70 and 2,607.84 is: 3,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.99 : 12,233.70 = 2,607.84 : x
  2. Step 2: Convert to fraction form
    8,154.99/12,233.70 = 2,607.84/x
  3. Step 3: Cross multiply
    8,154.99x = 12,233.70 × 2,607.84
  4. Step 4: Simplify right side
    8,154.99x = 31,903,532.21
  5. Step 5: Solve for x
    x = 31,903,532.21/8,154.99
  6. Step 6: Final answer
    x = 3,912.15

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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.