Home / 7,579.26-11,369.93-2,647.76

Finding the Fourth Proportional to 7,579.26, 11,369.93 and 2,647.76

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Solution

The fourth proportional to 7,579.26, 11,369.93 and 2,647.76 is: 3,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.26 : 11,369.93 = 2,647.76 : x
  2. Step 2: Convert to fraction form
    7,579.26/11,369.93 = 2,647.76/x
  3. Step 3: Cross multiply
    7,579.26x = 11,369.93 × 2,647.76
  4. Step 4: Simplify right side
    7,579.26x = 30,104,775.77
  5. Step 5: Solve for x
    x = 30,104,775.77/7,579.26
  6. Step 6: Final answer
    x = 3,971.99

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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.