Home / 8,450.03-12,670.70-4,940.81

Finding the Fourth Proportional to 8,450.03, 12,670.70 and 4,940.81

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Solution

The fourth proportional to 8,450.03, 12,670.70 and 4,940.81 is: 7,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.03 : 12,670.70 = 4,940.81 : x
  2. Step 2: Convert to fraction form
    8,450.03/12,670.70 = 4,940.81/x
  3. Step 3: Cross multiply
    8,450.03x = 12,670.70 × 4,940.81
  4. Step 4: Simplify right side
    8,450.03x = 62,603,433.21
  5. Step 5: Solve for x
    x = 62,603,433.21/8,450.03
  6. Step 6: Final answer
    x = 7,408.67

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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.