Home / 4,861.76-6,702.72-3,179.84

Finding the Fourth Proportional to 4,861.76, 6,702.72 and 3,179.84

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Solution

The fourth proportional to 4,861.76, 6,702.72 and 3,179.84 is: 4,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.76 : 6,702.72 = 3,179.84 : x
  2. Step 2: Convert to fraction form
    4,861.76/6,702.72 = 3,179.84/x
  3. Step 3: Cross multiply
    4,861.76x = 6,702.72 × 3,179.84
  4. Step 4: Simplify right side
    4,861.76x = 21,313,577.16
  5. Step 5: Solve for x
    x = 21,313,577.16/4,861.76
  6. Step 6: Final answer
    x = 4,383.92

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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.