Home / 6,078.80-8,388.74-3,284.30

Finding the Fourth Proportional to 6,078.80, 8,388.74 and 3,284.30

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Solution

The fourth proportional to 6,078.80, 8,388.74 and 3,284.30 is: 4,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.80 : 8,388.74 = 3,284.30 : x
  2. Step 2: Convert to fraction form
    6,078.80/8,388.74 = 3,284.30/x
  3. Step 3: Cross multiply
    6,078.80x = 8,388.74 × 3,284.30
  4. Step 4: Simplify right side
    6,078.80x = 27,551,111.54
  5. Step 5: Solve for x
    x = 27,551,111.54/6,078.80
  6. Step 6: Final answer
    x = 4,532.33

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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.