Home / 7,296.36-10,945.62-2,679

Finding the Fourth Proportional to 7,296.36, 10,945.62 and 2,679

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Solution

The fourth proportional to 7,296.36, 10,945.62 and 2,679 is: 4,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.36 : 10,945.62 = 2,679 : x
  2. Step 2: Convert to fraction form
    7,296.36/10,945.62 = 2,679/x
  3. Step 3: Cross multiply
    7,296.36x = 10,945.62 × 2,679
  4. Step 4: Simplify right side
    7,296.36x = 29,323,315.98
  5. Step 5: Solve for x
    x = 29,323,315.98/7,296.36
  6. Step 6: Final answer
    x = 4,018.90

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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.