Home / 7,579.19-11,369.81-2,647.67

Finding the Fourth Proportional to 7,579.19, 11,369.81 and 2,647.67

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Solution

The fourth proportional to 7,579.19, 11,369.81 and 2,647.67 is: 3,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.19 : 11,369.81 = 2,647.67 : x
  2. Step 2: Convert to fraction form
    7,579.19/11,369.81 = 2,647.67/x
  3. Step 3: Cross multiply
    7,579.19x = 11,369.81 × 2,647.67
  4. Step 4: Simplify right side
    7,579.19x = 30,103,504.84
  5. Step 5: Solve for x
    x = 30,103,504.84/7,579.19
  6. Step 6: Final answer
    x = 3,971.86

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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.