Home / 4,819.92-6,654.54-3,937.80

Finding the Fourth Proportional to 4,819.92, 6,654.54 and 3,937.80

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Solution

The fourth proportional to 4,819.92, 6,654.54 and 3,937.80 is: 5,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.92 : 6,654.54 = 3,937.80 : x
  2. Step 2: Convert to fraction form
    4,819.92/6,654.54 = 3,937.80/x
  3. Step 3: Cross multiply
    4,819.92x = 6,654.54 × 3,937.80
  4. Step 4: Simplify right side
    4,819.92x = 26,204,247.61
  5. Step 5: Solve for x
    x = 26,204,247.61/4,819.92
  6. Step 6: Final answer
    x = 5,436.66

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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.