Home / 4,780.92-6,596.46-2,790.21

Finding the Fourth Proportional to 4,780.92, 6,596.46 and 2,790.21

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Solution

The fourth proportional to 4,780.92, 6,596.46 and 2,790.21 is: 3,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.92 : 6,596.46 = 2,790.21 : x
  2. Step 2: Convert to fraction form
    4,780.92/6,596.46 = 2,790.21/x
  3. Step 3: Cross multiply
    4,780.92x = 6,596.46 × 2,790.21
  4. Step 4: Simplify right side
    4,780.92x = 18,405,508.66
  5. Step 5: Solve for x
    x = 18,405,508.66/4,780.92
  6. Step 6: Final answer
    x = 3,849.78

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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.