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Finding the Fourth Proportional to 8,151.54, 12,223.05 and 3,772.08

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Solution

The fourth proportional to 8,151.54, 12,223.05 and 3,772.08 is: 5,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.54 : 12,223.05 = 3,772.08 : x
  2. Step 2: Convert to fraction form
    8,151.54/12,223.05 = 3,772.08/x
  3. Step 3: Cross multiply
    8,151.54x = 12,223.05 × 3,772.08
  4. Step 4: Simplify right side
    8,151.54x = 46,106,322.44
  5. Step 5: Solve for x
    x = 46,106,322.44/8,151.54
  6. Step 6: Final answer
    x = 5,656.15

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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.