Home / 4,921.39-6,819.58-4,861.27

Finding the Fourth Proportional to 4,921.39, 6,819.58 and 4,861.27

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Solution

The fourth proportional to 4,921.39, 6,819.58 and 4,861.27 is: 6,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.39 : 6,819.58 = 4,861.27 : x
  2. Step 2: Convert to fraction form
    4,921.39/6,819.58 = 4,861.27/x
  3. Step 3: Cross multiply
    4,921.39x = 6,819.58 × 4,861.27
  4. Step 4: Simplify right side
    4,921.39x = 33,151,761.26
  5. Step 5: Solve for x
    x = 33,151,761.26/4,921.39
  6. Step 6: Final answer
    x = 6,736.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.