Home / 9,277.12-13,921.26-5,119.84

Finding the Fourth Proportional to 9,277.12, 13,921.26 and 5,119.84

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Solution

The fourth proportional to 9,277.12, 13,921.26 and 5,119.84 is: 7,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.12 : 13,921.26 = 5,119.84 : x
  2. Step 2: Convert to fraction form
    9,277.12/13,921.26 = 5,119.84/x
  3. Step 3: Cross multiply
    9,277.12x = 13,921.26 × 5,119.84
  4. Step 4: Simplify right side
    9,277.12x = 71,274,623.80
  5. Step 5: Solve for x
    x = 71,274,623.80/9,277.12
  6. Step 6: Final answer
    x = 7,682.84

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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.