Home / 9,277.73-13,918.04-3,121.25

Finding the Fourth Proportional to 9,277.73, 13,918.04 and 3,121.25

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Solution

The fourth proportional to 9,277.73, 13,918.04 and 3,121.25 is: 4,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.73 : 13,918.04 = 3,121.25 : x
  2. Step 2: Convert to fraction form
    9,277.73/13,918.04 = 3,121.25/x
  3. Step 3: Cross multiply
    9,277.73x = 13,918.04 × 3,121.25
  4. Step 4: Simplify right side
    9,277.73x = 43,441,666.74
  5. Step 5: Solve for x
    x = 43,441,666.74/9,277.73
  6. Step 6: Final answer
    x = 4,682.36

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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.