Home / 5,781.51-8,668.62-3,186.27

Finding the Fourth Proportional to 5,781.51, 8,668.62 and 3,186.27

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Solution

The fourth proportional to 5,781.51, 8,668.62 and 3,186.27 is: 4,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.51 : 8,668.62 = 3,186.27 : x
  2. Step 2: Convert to fraction form
    5,781.51/8,668.62 = 3,186.27/x
  3. Step 3: Cross multiply
    5,781.51x = 8,668.62 × 3,186.27
  4. Step 4: Simplify right side
    5,781.51x = 27,620,563.85
  5. Step 5: Solve for x
    x = 27,620,563.85/5,781.51
  6. Step 6: Final answer
    x = 4,777.40

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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.