Home / 4,960.12-7,440.82-2,620.22

Finding the Fourth Proportional to 4,960.12, 7,440.82 and 2,620.22

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Solution

The fourth proportional to 4,960.12, 7,440.82 and 2,620.22 is: 3,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.12 : 7,440.82 = 2,620.22 : x
  2. Step 2: Convert to fraction form
    4,960.12/7,440.82 = 2,620.22/x
  3. Step 3: Cross multiply
    4,960.12x = 7,440.82 × 2,620.22
  4. Step 4: Simplify right side
    4,960.12x = 19,496,585.38
  5. Step 5: Solve for x
    x = 19,496,585.38/4,960.12
  6. Step 6: Final answer
    x = 3,930.67

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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.