Home / 5,107.07-7,667.09-4,342.43

Finding the Fourth Proportional to 5,107.07, 7,667.09 and 4,342.43

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Solution

The fourth proportional to 5,107.07, 7,667.09 and 4,342.43 is: 6,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.07 : 7,667.09 = 4,342.43 : x
  2. Step 2: Convert to fraction form
    5,107.07/7,667.09 = 4,342.43/x
  3. Step 3: Cross multiply
    5,107.07x = 7,667.09 × 4,342.43
  4. Step 4: Simplify right side
    5,107.07x = 33,293,815.37
  5. Step 5: Solve for x
    x = 33,293,815.37/5,107.07
  6. Step 6: Final answer
    x = 6,519.16

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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.