Home / 9,119.88-13,680.26-3,276.60

Finding the Fourth Proportional to 9,119.88, 13,680.26 and 3,276.60

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Solution

The fourth proportional to 9,119.88, 13,680.26 and 3,276.60 is: 4,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.88 : 13,680.26 = 3,276.60 : x
  2. Step 2: Convert to fraction form
    9,119.88/13,680.26 = 3,276.60/x
  3. Step 3: Cross multiply
    9,119.88x = 13,680.26 × 3,276.60
  4. Step 4: Simplify right side
    9,119.88x = 44,824,723.53
  5. Step 5: Solve for x
    x = 44,824,723.53/9,119.88
  6. Step 6: Final answer
    x = 4,915.06

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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.