Home / 7,771.37-11,641.46-3,605.67

Finding the Fourth Proportional to 7,771.37, 11,641.46 and 3,605.67

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Solution

The fourth proportional to 7,771.37, 11,641.46 and 3,605.67 is: 5,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.37 : 11,641.46 = 3,605.67 : x
  2. Step 2: Convert to fraction form
    7,771.37/11,641.46 = 3,605.67/x
  3. Step 3: Cross multiply
    7,771.37x = 11,641.46 × 3,605.67
  4. Step 4: Simplify right side
    7,771.37x = 41,975,245.05
  5. Step 5: Solve for x
    x = 41,975,245.05/7,771.37
  6. Step 6: Final answer
    x = 5,401.27

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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.