Home / 6,936.75-9,577.34-4,105.03

Finding the Fourth Proportional to 6,936.75, 9,577.34 and 4,105.03

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Solution

The fourth proportional to 6,936.75, 9,577.34 and 4,105.03 is: 5,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.75 : 9,577.34 = 4,105.03 : x
  2. Step 2: Convert to fraction form
    6,936.75/9,577.34 = 4,105.03/x
  3. Step 3: Cross multiply
    6,936.75x = 9,577.34 × 4,105.03
  4. Step 4: Simplify right side
    6,936.75x = 39,315,223.55
  5. Step 5: Solve for x
    x = 39,315,223.55/6,936.75
  6. Step 6: Final answer
    x = 5,667.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.