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Finding the Fourth Proportional to 8,539.83, 12,804.21 and 5,899.95

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Solution

The fourth proportional to 8,539.83, 12,804.21 and 5,899.95 is: 8,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.83 : 12,804.21 = 5,899.95 : x
  2. Step 2: Convert to fraction form
    8,539.83/12,804.21 = 5,899.95/x
  3. Step 3: Cross multiply
    8,539.83x = 12,804.21 × 5,899.95
  4. Step 4: Simplify right side
    8,539.83x = 75,544,198.79
  5. Step 5: Solve for x
    x = 75,544,198.79/8,539.83
  6. Step 6: Final answer
    x = 8,846.10

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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.