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Finding the Fourth Proportional to 8,806.60, 13,208.70 and 2,650.60

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Solution

The fourth proportional to 8,806.60, 13,208.70 and 2,650.60 is: 3,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.60 : 13,208.70 = 2,650.60 : x
  2. Step 2: Convert to fraction form
    8,806.60/13,208.70 = 2,650.60/x
  3. Step 3: Cross multiply
    8,806.60x = 13,208.70 × 2,650.60
  4. Step 4: Simplify right side
    8,806.60x = 35,010,980.22
  5. Step 5: Solve for x
    x = 35,010,980.22/8,806.60
  6. Step 6: Final answer
    x = 3,975.54

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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.