Home / 9,299.89-13,949.87-2,279.95

Finding the Fourth Proportional to 9,299.89, 13,949.87 and 2,279.95

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Solution

The fourth proportional to 9,299.89, 13,949.87 and 2,279.95 is: 3,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.89 : 13,949.87 = 2,279.95 : x
  2. Step 2: Convert to fraction form
    9,299.89/13,949.87 = 2,279.95/x
  3. Step 3: Cross multiply
    9,299.89x = 13,949.87 × 2,279.95
  4. Step 4: Simplify right side
    9,299.89x = 31,804,972.66
  5. Step 5: Solve for x
    x = 31,804,972.66/9,299.89
  6. Step 6: Final answer
    x = 3,419.93

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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.