Home / 5,817.96-8,727.48-2,120.58

Finding the Fourth Proportional to 5,817.96, 8,727.48 and 2,120.58

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Solution

The fourth proportional to 5,817.96, 8,727.48 and 2,120.58 is: 3,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.96 : 8,727.48 = 2,120.58 : x
  2. Step 2: Convert to fraction form
    5,817.96/8,727.48 = 2,120.58/x
  3. Step 3: Cross multiply
    5,817.96x = 8,727.48 × 2,120.58
  4. Step 4: Simplify right side
    5,817.96x = 18,507,319.54
  5. Step 5: Solve for x
    x = 18,507,319.54/5,817.96
  6. Step 6: Final answer
    x = 3,181.07

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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.