Home / 4,790.14-7,185.20-2,191.26

Finding the Fourth Proportional to 4,790.14, 7,185.20 and 2,191.26

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Solution

The fourth proportional to 4,790.14, 7,185.20 and 2,191.26 is: 3,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.14 : 7,185.20 = 2,191.26 : x
  2. Step 2: Convert to fraction form
    4,790.14/7,185.20 = 2,191.26/x
  3. Step 3: Cross multiply
    4,790.14x = 7,185.20 × 2,191.26
  4. Step 4: Simplify right side
    4,790.14x = 15,744,641.35
  5. Step 5: Solve for x
    x = 15,744,641.35/4,790.14
  6. Step 6: Final answer
    x = 3,286.89

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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.