Home / 8,112.18-12,167.82-2,847.44

Finding the Fourth Proportional to 8,112.18, 12,167.82 and 2,847.44

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Solution

The fourth proportional to 8,112.18, 12,167.82 and 2,847.44 is: 4,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.18 : 12,167.82 = 2,847.44 : x
  2. Step 2: Convert to fraction form
    8,112.18/12,167.82 = 2,847.44/x
  3. Step 3: Cross multiply
    8,112.18x = 12,167.82 × 2,847.44
  4. Step 4: Simplify right side
    8,112.18x = 34,647,099.36
  5. Step 5: Solve for x
    x = 34,647,099.36/8,112.18
  6. Step 6: Final answer
    x = 4,271.00

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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.