Home / 9,220.94-13,828.46-2,979.62

Finding the Fourth Proportional to 9,220.94, 13,828.46 and 2,979.62

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Solution

The fourth proportional to 9,220.94, 13,828.46 and 2,979.62 is: 4,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.94 : 13,828.46 = 2,979.62 : x
  2. Step 2: Convert to fraction form
    9,220.94/13,828.46 = 2,979.62/x
  3. Step 3: Cross multiply
    9,220.94x = 13,828.46 × 2,979.62
  4. Step 4: Simplify right side
    9,220.94x = 41,203,523.80
  5. Step 5: Solve for x
    x = 41,203,523.80/9,220.94
  6. Step 6: Final answer
    x = 4,468.47

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1.5x scale

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.