Home / 6,220.86-8,584.79-3,426.36

Finding the Fourth Proportional to 6,220.86, 8,584.79 and 3,426.36

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Solution

The fourth proportional to 6,220.86, 8,584.79 and 3,426.36 is: 4,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.86 : 8,584.79 = 3,426.36 : x
  2. Step 2: Convert to fraction form
    6,220.86/8,584.79 = 3,426.36/x
  3. Step 3: Cross multiply
    6,220.86x = 8,584.79 × 3,426.36
  4. Step 4: Simplify right side
    6,220.86x = 29,414,613.78
  5. Step 5: Solve for x
    x = 29,414,613.78/6,220.86
  6. Step 6: Final answer
    x = 4,728.38

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Half scale
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Double scale
Find fourth proportional to 6,221.86, 8,586.17 and 3,427.36
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.