Home / 5,771.45-8,654.06-2,991.22

Finding the Fourth Proportional to 5,771.45, 8,654.06 and 2,991.22

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Solution

The fourth proportional to 5,771.45, 8,654.06 and 2,991.22 is: 4,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.45 : 8,654.06 = 2,991.22 : x
  2. Step 2: Convert to fraction form
    5,771.45/8,654.06 = 2,991.22/x
  3. Step 3: Cross multiply
    5,771.45x = 8,654.06 × 2,991.22
  4. Step 4: Simplify right side
    5,771.45x = 25,886,215.65
  5. Step 5: Solve for x
    x = 25,886,215.65/5,771.45
  6. Step 6: Final answer
    x = 4,485.22

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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.