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Finding the Fourth Proportional to 8,804.99, 13,198.20 and 3,254.78

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Solution

The fourth proportional to 8,804.99, 13,198.20 and 3,254.78 is: 4,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.99 : 13,198.20 = 3,254.78 : x
  2. Step 2: Convert to fraction form
    8,804.99/13,198.20 = 3,254.78/x
  3. Step 3: Cross multiply
    8,804.99x = 13,198.20 × 3,254.78
  4. Step 4: Simplify right side
    8,804.99x = 42,957,237.40
  5. Step 5: Solve for x
    x = 42,957,237.40/8,804.99
  6. Step 6: Final answer
    x = 4,878.74

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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.