Home / 8,220.44-12,331.90-3,025.92

Finding the Fourth Proportional to 8,220.44, 12,331.90 and 3,025.92

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Solution

The fourth proportional to 8,220.44, 12,331.90 and 3,025.92 is: 4,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.44 : 12,331.90 = 3,025.92 : x
  2. Step 2: Convert to fraction form
    8,220.44/12,331.90 = 3,025.92/x
  3. Step 3: Cross multiply
    8,220.44x = 12,331.90 × 3,025.92
  4. Step 4: Simplify right side
    8,220.44x = 37,315,342.85
  5. Step 5: Solve for x
    x = 37,315,342.85/8,220.44
  6. Step 6: Final answer
    x = 4,539.34

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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.