Home / 4,349.80-6,524.70-2,790.55

Finding the Fourth Proportional to 4,349.80, 6,524.70 and 2,790.55

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Solution

The fourth proportional to 4,349.80, 6,524.70 and 2,790.55 is: 4,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,349.80 : 6,524.70 = 2,790.55 : x
  2. Step 2: Convert to fraction form
    4,349.80/6,524.70 = 2,790.55/x
  3. Step 3: Cross multiply
    4,349.80x = 6,524.70 × 2,790.55
  4. Step 4: Simplify right side
    4,349.80x = 18,207,514.97
  5. Step 5: Solve for x
    x = 18,207,514.97/4,349.80
  6. Step 6: Final answer
    x = 4,185.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.