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Finding the Fourth Proportional to 8,779.59, 13,169.18 and 2,205.63

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Solution

The fourth proportional to 8,779.59, 13,169.18 and 2,205.63 is: 3,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.59 : 13,169.18 = 2,205.63 : x
  2. Step 2: Convert to fraction form
    8,779.59/13,169.18 = 2,205.63/x
  3. Step 3: Cross multiply
    8,779.59x = 13,169.18 × 2,205.63
  4. Step 4: Simplify right side
    8,779.59x = 29,046,344.00
  5. Step 5: Solve for x
    x = 29,046,344.00/8,779.59
  6. Step 6: Final answer
    x = 3,308.39

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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.