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Finding the Fourth Proportional to 7,173.69, 10,769.58 and 6,841.32

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Solution

The fourth proportional to 7,173.69, 10,769.58 and 6,841.32 is: 10,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.69 : 10,769.58 = 6,841.32 : x
  2. Step 2: Convert to fraction form
    7,173.69/10,769.58 = 6,841.32/x
  3. Step 3: Cross multiply
    7,173.69x = 10,769.58 × 6,841.32
  4. Step 4: Simplify right side
    7,173.69x = 73,678,143.05
  5. Step 5: Solve for x
    x = 73,678,143.05/7,173.69
  6. Step 6: Final answer
    x = 10,270.61

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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.