Home / 6,220.76-8,584.80-3,388.25

Finding the Fourth Proportional to 6,220.76, 8,584.80 and 3,388.25

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Solution

The fourth proportional to 6,220.76, 8,584.80 and 3,388.25 is: 4,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.76 : 8,584.80 = 3,388.25 : x
  2. Step 2: Convert to fraction form
    6,220.76/8,584.80 = 3,388.25/x
  3. Step 3: Cross multiply
    6,220.76x = 8,584.80 × 3,388.25
  4. Step 4: Simplify right side
    6,220.76x = 29,087,448.60
  5. Step 5: Solve for x
    x = 29,087,448.60/6,220.76
  6. Step 6: Final answer
    x = 4,675.87

Related Problems

Find fourth proportional to 3,110.38, 4,292.40 and 1,694.13
Half scale
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Double scale
Find fourth proportional to 6,221.76, 8,586.18 and 3,389.25
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.