Home / 6,974.06-10,448.78-3,679.89

Finding the Fourth Proportional to 6,974.06, 10,448.78 and 3,679.89

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Solution

The fourth proportional to 6,974.06, 10,448.78 and 3,679.89 is: 5,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.06 : 10,448.78 = 3,679.89 : x
  2. Step 2: Convert to fraction form
    6,974.06/10,448.78 = 3,679.89/x
  3. Step 3: Cross multiply
    6,974.06x = 10,448.78 × 3,679.89
  4. Step 4: Simplify right side
    6,974.06x = 38,450,308.79
  5. Step 5: Solve for x
    x = 38,450,308.79/6,974.06
  6. Step 6: Final answer
    x = 5,513.34

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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.