Home / 6,122.72-8,444.42-3,998.10

Finding the Fourth Proportional to 6,122.72, 8,444.42 and 3,998.10

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Solution

The fourth proportional to 6,122.72, 8,444.42 and 3,998.10 is: 5,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.72 : 8,444.42 = 3,998.10 : x
  2. Step 2: Convert to fraction form
    6,122.72/8,444.42 = 3,998.10/x
  3. Step 3: Cross multiply
    6,122.72x = 8,444.42 × 3,998.10
  4. Step 4: Simplify right side
    6,122.72x = 33,761,635.60
  5. Step 5: Solve for x
    x = 33,761,635.60/6,122.72
  6. Step 6: Final answer
    x = 5,514.16

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Half scale
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Double scale
Find fourth proportional to 6,123.72, 8,445.80 and 3,999.10
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.