Home / 8,021.97-11,071.35-4,485.38

Finding the Fourth Proportional to 8,021.97, 11,071.35 and 4,485.38

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Solution

The fourth proportional to 8,021.97, 11,071.35 and 4,485.38 is: 6,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.97 : 11,071.35 = 4,485.38 : x
  2. Step 2: Convert to fraction form
    8,021.97/11,071.35 = 4,485.38/x
  3. Step 3: Cross multiply
    8,021.97x = 11,071.35 × 4,485.38
  4. Step 4: Simplify right side
    8,021.97x = 49,659,156.51
  5. Step 5: Solve for x
    x = 49,659,156.51/8,021.97
  6. Step 6: Final answer
    x = 6,190.39

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Half scale
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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.