Home / 6,986.07-10,466.79-3,691.89

Finding the Fourth Proportional to 6,986.07, 10,466.79 and 3,691.89

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Solution

The fourth proportional to 6,986.07, 10,466.79 and 3,691.89 is: 5,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.07 : 10,466.79 = 3,691.89 : x
  2. Step 2: Convert to fraction form
    6,986.07/10,466.79 = 3,691.89/x
  3. Step 3: Cross multiply
    6,986.07x = 10,466.79 × 3,691.89
  4. Step 4: Simplify right side
    6,986.07x = 38,642,237.33
  5. Step 5: Solve for x
    x = 38,642,237.33/6,986.07
  6. Step 6: Final answer
    x = 5,531.33

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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.