Home / 7,887.14-11,828.65-2,338.99

Finding the Fourth Proportional to 7,887.14, 11,828.65 and 2,338.99

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Solution

The fourth proportional to 7,887.14, 11,828.65 and 2,338.99 is: 3,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.14 : 11,828.65 = 2,338.99 : x
  2. Step 2: Convert to fraction form
    7,887.14/11,828.65 = 2,338.99/x
  3. Step 3: Cross multiply
    7,887.14x = 11,828.65 × 2,338.99
  4. Step 4: Simplify right side
    7,887.14x = 27,667,094.06
  5. Step 5: Solve for x
    x = 27,667,094.06/7,887.14
  6. Step 6: Final answer
    x = 3,507.87

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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.