Home / 8,399.08-12,605.34-3,782.44

Finding the Fourth Proportional to 8,399.08, 12,605.34 and 3,782.44

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Solution

The fourth proportional to 8,399.08, 12,605.34 and 3,782.44 is: 5,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.08 : 12,605.34 = 3,782.44 : x
  2. Step 2: Convert to fraction form
    8,399.08/12,605.34 = 3,782.44/x
  3. Step 3: Cross multiply
    8,399.08x = 12,605.34 × 3,782.44
  4. Step 4: Simplify right side
    8,399.08x = 47,678,942.23
  5. Step 5: Solve for x
    x = 47,678,942.23/8,399.08
  6. Step 6: Final answer
    x = 5,676.69

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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.