Home / 7,814.58-11,721.96-2,884.38

Finding the Fourth Proportional to 7,814.58, 11,721.96 and 2,884.38

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Solution

The fourth proportional to 7,814.58, 11,721.96 and 2,884.38 is: 4,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.58 : 11,721.96 = 2,884.38 : x
  2. Step 2: Convert to fraction form
    7,814.58/11,721.96 = 2,884.38/x
  3. Step 3: Cross multiply
    7,814.58x = 11,721.96 × 2,884.38
  4. Step 4: Simplify right side
    7,814.58x = 33,810,586.98
  5. Step 5: Solve for x
    x = 33,810,586.98/7,814.58
  6. Step 6: Final answer
    x = 4,326.60

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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.