Home / 5,739.80-8,609.81-1,579.79

Finding the Fourth Proportional to 5,739.80, 8,609.81 and 1,579.79

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Solution

The fourth proportional to 5,739.80, 8,609.81 and 1,579.79 is: 2,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.80 : 8,609.81 = 1,579.79 : x
  2. Step 2: Convert to fraction form
    5,739.80/8,609.81 = 1,579.79/x
  3. Step 3: Cross multiply
    5,739.80x = 8,609.81 × 1,579.79
  4. Step 4: Simplify right side
    5,739.80x = 13,601,640.79
  5. Step 5: Solve for x
    x = 13,601,640.79/5,739.80
  6. Step 6: Final answer
    x = 2,369.71

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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.