Home / 6,076.84-8,385.91-3,388.32

Finding the Fourth Proportional to 6,076.84, 8,385.91 and 3,388.32

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Solution

The fourth proportional to 6,076.84, 8,385.91 and 3,388.32 is: 4,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,076.84 : 8,385.91 = 3,388.32 : x
  2. Step 2: Convert to fraction form
    6,076.84/8,385.91 = 3,388.32/x
  3. Step 3: Cross multiply
    6,076.84x = 8,385.91 × 3,388.32
  4. Step 4: Simplify right side
    6,076.84x = 28,414,158.62
  5. Step 5: Solve for x
    x = 28,414,158.62/6,076.84
  6. Step 6: Final answer
    x = 4,675.81

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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.