Home / 6,078.58-8,388.62-3,426.08

Finding the Fourth Proportional to 6,078.58, 8,388.62 and 3,426.08

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Solution

The fourth proportional to 6,078.58, 8,388.62 and 3,426.08 is: 4,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.58 : 8,388.62 = 3,426.08 : x
  2. Step 2: Convert to fraction form
    6,078.58/8,388.62 = 3,426.08/x
  3. Step 3: Cross multiply
    6,078.58x = 8,388.62 × 3,426.08
  4. Step 4: Simplify right side
    6,078.58x = 28,740,083.21
  5. Step 5: Solve for x
    x = 28,740,083.21/6,078.58
  6. Step 6: Final answer
    x = 4,728.09

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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.