Home / 8,089.80-12,135.99-2,541.90

Finding the Fourth Proportional to 8,089.80, 12,135.99 and 2,541.90

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Solution

The fourth proportional to 8,089.80, 12,135.99 and 2,541.90 is: 3,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.80 : 12,135.99 = 2,541.90 : x
  2. Step 2: Convert to fraction form
    8,089.80/12,135.99 = 2,541.90/x
  3. Step 3: Cross multiply
    8,089.80x = 12,135.99 × 2,541.90
  4. Step 4: Simplify right side
    8,089.80x = 30,848,472.98
  5. Step 5: Solve for x
    x = 30,848,472.98/8,089.80
  6. Step 6: Final answer
    x = 3,813.26

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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.