Home / 8,715.06-13,072.59-2,141.37

Finding the Fourth Proportional to 8,715.06, 13,072.59 and 2,141.37

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Solution

The fourth proportional to 8,715.06, 13,072.59 and 2,141.37 is: 3,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.06 : 13,072.59 = 2,141.37 : x
  2. Step 2: Convert to fraction form
    8,715.06/13,072.59 = 2,141.37/x
  3. Step 3: Cross multiply
    8,715.06x = 13,072.59 × 2,141.37
  4. Step 4: Simplify right side
    8,715.06x = 27,993,252.05
  5. Step 5: Solve for x
    x = 27,993,252.05/8,715.06
  6. Step 6: Final answer
    x = 3,212.06

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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.