Home / 8,131.35-11,221.09-4,546.29

Finding the Fourth Proportional to 8,131.35, 11,221.09 and 4,546.29

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Solution

The fourth proportional to 8,131.35, 11,221.09 and 4,546.29 is: 6,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.35 : 11,221.09 = 4,546.29 : x
  2. Step 2: Convert to fraction form
    8,131.35/11,221.09 = 4,546.29/x
  3. Step 3: Cross multiply
    8,131.35x = 11,221.09 × 4,546.29
  4. Step 4: Simplify right side
    8,131.35x = 51,014,329.26
  5. Step 5: Solve for x
    x = 51,014,329.26/8,131.35
  6. Step 6: Final answer
    x = 6,273.78

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,132.35, 11,222.47 and 4,547.29
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.