Home / 4,874.32-6,727.98-3,105.28

Finding the Fourth Proportional to 4,874.32, 6,727.98 and 3,105.28

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Solution

The fourth proportional to 4,874.32, 6,727.98 and 3,105.28 is: 4,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.32 : 6,727.98 = 3,105.28 : x
  2. Step 2: Convert to fraction form
    4,874.32/6,727.98 = 3,105.28/x
  3. Step 3: Cross multiply
    4,874.32x = 6,727.98 × 3,105.28
  4. Step 4: Simplify right side
    4,874.32x = 20,892,261.73
  5. Step 5: Solve for x
    x = 20,892,261.73/4,874.32
  6. Step 6: Final answer
    x = 4,286.19

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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.