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Finding the Fourth Proportional to 7,243.58, 9,996.46 and 5,668.94

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Solution

The fourth proportional to 7,243.58, 9,996.46 and 5,668.94 is: 7,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.58 : 9,996.46 = 5,668.94 : x
  2. Step 2: Convert to fraction form
    7,243.58/9,996.46 = 5,668.94/x
  3. Step 3: Cross multiply
    7,243.58x = 9,996.46 × 5,668.94
  4. Step 4: Simplify right side
    7,243.58x = 56,669,331.95
  5. Step 5: Solve for x
    x = 56,669,331.95/7,243.58
  6. Step 6: Final answer
    x = 7,823.39

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Double scale
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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.