Home / 8,745.84-13,120.31-3,336.05

Finding the Fourth Proportional to 8,745.84, 13,120.31 and 3,336.05

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Solution

The fourth proportional to 8,745.84, 13,120.31 and 3,336.05 is: 5,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.84 : 13,120.31 = 3,336.05 : x
  2. Step 2: Convert to fraction form
    8,745.84/13,120.31 = 3,336.05/x
  3. Step 3: Cross multiply
    8,745.84x = 13,120.31 × 3,336.05
  4. Step 4: Simplify right side
    8,745.84x = 43,770,051.32
  5. Step 5: Solve for x
    x = 43,770,051.32/8,745.84
  6. Step 6: Final answer
    x = 5,004.67

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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.