Home / 6,220.73-8,584.47-3,388.15

Finding the Fourth Proportional to 6,220.73, 8,584.47 and 3,388.15

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Solution

The fourth proportional to 6,220.73, 8,584.47 and 3,388.15 is: 4,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.73 : 8,584.47 = 3,388.15 : x
  2. Step 2: Convert to fraction form
    6,220.73/8,584.47 = 3,388.15/x
  3. Step 3: Cross multiply
    6,220.73x = 8,584.47 × 3,388.15
  4. Step 4: Simplify right side
    6,220.73x = 29,085,489.11
  5. Step 5: Solve for x
    x = 29,085,489.11/6,220.73
  6. Step 6: Final answer
    x = 4,675.58

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Half scale
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Double scale
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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.