Home / 6,922.56-10,364.40-6,222.72

Finding the Fourth Proportional to 6,922.56, 10,364.40 and 6,222.72

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Solution

The fourth proportional to 6,922.56, 10,364.40 and 6,222.72 is: 9,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.56 : 10,364.40 = 6,222.72 : x
  2. Step 2: Convert to fraction form
    6,922.56/10,364.40 = 6,222.72/x
  3. Step 3: Cross multiply
    6,922.56x = 10,364.40 × 6,222.72
  4. Step 4: Simplify right side
    6,922.56x = 64,494,759.17
  5. Step 5: Solve for x
    x = 64,494,759.17/6,922.56
  6. Step 6: Final answer
    x = 9,316.61

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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.