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Finding the Fourth Proportional to 6,751.35, 9,316.62 and 4,234.82

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Solution

The fourth proportional to 6,751.35, 9,316.62 and 4,234.82 is: 5,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.35 : 9,316.62 = 4,234.82 : x
  2. Step 2: Convert to fraction form
    6,751.35/9,316.62 = 4,234.82/x
  3. Step 3: Cross multiply
    6,751.35x = 9,316.62 × 4,234.82
  4. Step 4: Simplify right side
    6,751.35x = 39,454,162.13
  5. Step 5: Solve for x
    x = 39,454,162.13/6,751.35
  6. Step 6: Final answer
    x = 5,843.89

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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.