Home / 4,819.34-6,650.68-2,930.42

Finding the Fourth Proportional to 4,819.34, 6,650.68 and 2,930.42

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Solution

The fourth proportional to 4,819.34, 6,650.68 and 2,930.42 is: 4,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.34 : 6,650.68 = 2,930.42 : x
  2. Step 2: Convert to fraction form
    4,819.34/6,650.68 = 2,930.42/x
  3. Step 3: Cross multiply
    4,819.34x = 6,650.68 × 2,930.42
  4. Step 4: Simplify right side
    4,819.34x = 19,489,285.69
  5. Step 5: Solve for x
    x = 19,489,285.69/4,819.34
  6. Step 6: Final answer
    x = 4,043.97

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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.