Home / 8,511.38-11,743.73-4,975.73

Finding the Fourth Proportional to 8,511.38, 11,743.73 and 4,975.73

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Solution

The fourth proportional to 8,511.38, 11,743.73 and 4,975.73 is: 6,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.38 : 11,743.73 = 4,975.73 : x
  2. Step 2: Convert to fraction form
    8,511.38/11,743.73 = 4,975.73/x
  3. Step 3: Cross multiply
    8,511.38x = 11,743.73 × 4,975.73
  4. Step 4: Simplify right side
    8,511.38x = 58,433,636.76
  5. Step 5: Solve for x
    x = 58,433,636.76/8,511.38
  6. Step 6: Final answer
    x = 6,865.36

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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.