Home / 9,215.97-13,824.05-2,290.47

Finding the Fourth Proportional to 9,215.97, 13,824.05 and 2,290.47

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Solution

The fourth proportional to 9,215.97, 13,824.05 and 2,290.47 is: 3,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.97 : 13,824.05 = 2,290.47 : x
  2. Step 2: Convert to fraction form
    9,215.97/13,824.05 = 2,290.47/x
  3. Step 3: Cross multiply
    9,215.97x = 13,824.05 × 2,290.47
  4. Step 4: Simplify right side
    9,215.97x = 31,663,571.80
  5. Step 5: Solve for x
    x = 31,663,571.80/9,215.97
  6. Step 6: Final answer
    x = 3,435.73

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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.