Home / 8,346.30-12,520.77-3,961.36

Finding the Fourth Proportional to 8,346.30, 12,520.77 and 3,961.36

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Solution

The fourth proportional to 8,346.30, 12,520.77 and 3,961.36 is: 5,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.30 : 12,520.77 = 3,961.36 : x
  2. Step 2: Convert to fraction form
    8,346.30/12,520.77 = 3,961.36/x
  3. Step 3: Cross multiply
    8,346.30x = 12,520.77 × 3,961.36
  4. Step 4: Simplify right side
    8,346.30x = 49,599,277.45
  5. Step 5: Solve for x
    x = 49,599,277.45/8,346.30
  6. Step 6: Final answer
    x = 5,942.67

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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.