Home / 9,215.40-13,823.16-3,369.60

Finding the Fourth Proportional to 9,215.40, 13,823.16 and 3,369.60

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Solution

The fourth proportional to 9,215.40, 13,823.16 and 3,369.60 is: 5,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.40 : 13,823.16 = 3,369.60 : x
  2. Step 2: Convert to fraction form
    9,215.40/13,823.16 = 3,369.60/x
  3. Step 3: Cross multiply
    9,215.40x = 13,823.16 × 3,369.60
  4. Step 4: Simplify right side
    9,215.40x = 46,578,519.94
  5. Step 5: Solve for x
    x = 46,578,519.94/9,215.40
  6. Step 6: Final answer
    x = 5,054.42

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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.