Home / 8,168.38-11,272.56-4,442.38

Finding the Fourth Proportional to 8,168.38, 11,272.56 and 4,442.38

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Solution

The fourth proportional to 8,168.38, 11,272.56 and 4,442.38 is: 6,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.38 : 11,272.56 = 4,442.38 : x
  2. Step 2: Convert to fraction form
    8,168.38/11,272.56 = 4,442.38/x
  3. Step 3: Cross multiply
    8,168.38x = 11,272.56 × 4,442.38
  4. Step 4: Simplify right side
    8,168.38x = 50,076,995.09
  5. Step 5: Solve for x
    x = 50,076,995.09/8,168.38
  6. Step 6: Final answer
    x = 6,130.59

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Half 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.