Home / 9,318.09-13,979.57-3,474.75

Finding the Fourth Proportional to 9,318.09, 13,979.57 and 3,474.75

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Solution

The fourth proportional to 9,318.09, 13,979.57 and 3,474.75 is: 5,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.09 : 13,979.57 = 3,474.75 : x
  2. Step 2: Convert to fraction form
    9,318.09/13,979.57 = 3,474.75/x
  3. Step 3: Cross multiply
    9,318.09x = 13,979.57 × 3,474.75
  4. Step 4: Simplify right side
    9,318.09x = 48,575,493.48
  5. Step 5: Solve for x
    x = 48,575,493.48/9,318.09
  6. Step 6: Final answer
    x = 5,213.03

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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.