Home / 8,131.36-11,221.11-4,546.37

Finding the Fourth Proportional to 8,131.36, 11,221.11 and 4,546.37

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Solution

The fourth proportional to 8,131.36, 11,221.11 and 4,546.37 is: 6,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.36 : 11,221.11 = 4,546.37 : x
  2. Step 2: Convert to fraction form
    8,131.36/11,221.11 = 4,546.37/x
  3. Step 3: Cross multiply
    8,131.36x = 11,221.11 × 4,546.37
  4. Step 4: Simplify right side
    8,131.36x = 51,015,317.87
  5. Step 5: Solve for x
    x = 51,015,317.87/8,131.36
  6. Step 6: Final answer
    x = 6,273.90

Related Problems

Find fourth proportional to 4,065.68, 5,610.56 and 2,273.19
Half scale
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Double scale
Find fourth proportional to 8,132.36, 11,222.49 and 4,547.37
Similar ratio
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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.