Home / 7,927.67-11,887.99-2,379.95

Finding the Fourth Proportional to 7,927.67, 11,887.99 and 2,379.95

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Solution

The fourth proportional to 7,927.67, 11,887.99 and 2,379.95 is: 3,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.67 : 11,887.99 = 2,379.95 : x
  2. Step 2: Convert to fraction form
    7,927.67/11,887.99 = 2,379.95/x
  3. Step 3: Cross multiply
    7,927.67x = 11,887.99 × 2,379.95
  4. Step 4: Simplify right side
    7,927.67x = 28,292,821.80
  5. Step 5: Solve for x
    x = 28,292,821.80/7,927.67
  6. Step 6: Final answer
    x = 3,568.87

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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.