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Finding the Fourth Proportional to 6,922.22, 9,552.48 and 6,364.94

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Solution

The fourth proportional to 6,922.22, 9,552.48 and 6,364.94 is: 8,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.22 : 9,552.48 = 6,364.94 : x
  2. Step 2: Convert to fraction form
    6,922.22/9,552.48 = 6,364.94/x
  3. Step 3: Cross multiply
    6,922.22x = 9,552.48 × 6,364.94
  4. Step 4: Simplify right side
    6,922.22x = 60,800,962.05
  5. Step 5: Solve for x
    x = 60,800,962.05/6,922.22
  6. Step 6: Final answer
    x = 8,783.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.