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Finding the Fourth Proportional to 8,798.81, 13,198.80 and 3,099.09

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Solution

The fourth proportional to 8,798.81, 13,198.80 and 3,099.09 is: 4,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.81 : 13,198.80 = 3,099.09 : x
  2. Step 2: Convert to fraction form
    8,798.81/13,198.80 = 3,099.09/x
  3. Step 3: Cross multiply
    8,798.81x = 13,198.80 × 3,099.09
  4. Step 4: Simplify right side
    8,798.81x = 40,904,269.09
  5. Step 5: Solve for x
    x = 40,904,269.09/8,798.81
  6. Step 6: Final answer
    x = 4,648.84

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1.5x scale

Why These Related Problems?

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