Home / 7,771.41-11,653.69-2,223.49

Finding the Fourth Proportional to 7,771.41, 11,653.69 and 2,223.49

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Solution

The fourth proportional to 7,771.41, 11,653.69 and 2,223.49 is: 3,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.41 : 11,653.69 = 2,223.49 : x
  2. Step 2: Convert to fraction form
    7,771.41/11,653.69 = 2,223.49/x
  3. Step 3: Cross multiply
    7,771.41x = 11,653.69 × 2,223.49
  4. Step 4: Simplify right side
    7,771.41x = 25,911,852.06
  5. Step 5: Solve for x
    x = 25,911,852.06/7,771.41
  6. Step 6: Final answer
    x = 3,334.25

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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.