Home / 4,979.67-7,466.99-2,207.19

Finding the Fourth Proportional to 4,979.67, 7,466.99 and 2,207.19

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Solution

The fourth proportional to 4,979.67, 7,466.99 and 2,207.19 is: 3,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.67 : 7,466.99 = 2,207.19 : x
  2. Step 2: Convert to fraction form
    4,979.67/7,466.99 = 2,207.19/x
  3. Step 3: Cross multiply
    4,979.67x = 7,466.99 × 2,207.19
  4. Step 4: Simplify right side
    4,979.67x = 16,481,054.62
  5. Step 5: Solve for x
    x = 16,481,054.62/4,979.67
  6. Step 6: Final answer
    x = 3,309.67

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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.