Home / 8,049.22-12,078.41-6,289.27

Finding the Fourth Proportional to 8,049.22, 12,078.41 and 6,289.27

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Solution

The fourth proportional to 8,049.22, 12,078.41 and 6,289.27 is: 9,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.22 : 12,078.41 = 6,289.27 : x
  2. Step 2: Convert to fraction form
    8,049.22/12,078.41 = 6,289.27/x
  3. Step 3: Cross multiply
    8,049.22x = 12,078.41 × 6,289.27
  4. Step 4: Simplify right side
    8,049.22x = 75,964,381.66
  5. Step 5: Solve for x
    x = 75,964,381.66/8,049.22
  6. Step 6: Final answer
    x = 9,437.48

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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.