Home / 6,078.66-8,388.93-3,426.18

Finding the Fourth Proportional to 6,078.66, 8,388.93 and 3,426.18

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Solution

The fourth proportional to 6,078.66, 8,388.93 and 3,426.18 is: 4,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.66 : 8,388.93 = 3,426.18 : x
  2. Step 2: Convert to fraction form
    6,078.66/8,388.93 = 3,426.18/x
  3. Step 3: Cross multiply
    6,078.66x = 8,388.93 × 3,426.18
  4. Step 4: Simplify right side
    6,078.66x = 28,741,984.19
  5. Step 5: Solve for x
    x = 28,741,984.19/6,078.66
  6. Step 6: Final answer
    x = 4,728.34

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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.