Home / 7,581.78-11,379.06-3,202.38

Finding the Fourth Proportional to 7,581.78, 11,379.06 and 3,202.38

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Solution

The fourth proportional to 7,581.78, 11,379.06 and 3,202.38 is: 4,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.78 : 11,379.06 = 3,202.38 : x
  2. Step 2: Convert to fraction form
    7,581.78/11,379.06 = 3,202.38/x
  3. Step 3: Cross multiply
    7,581.78x = 11,379.06 × 3,202.38
  4. Step 4: Simplify right side
    7,581.78x = 36,440,074.16
  5. Step 5: Solve for x
    x = 36,440,074.16/7,581.78
  6. Step 6: Final answer
    x = 4,806.27

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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.