Home / 5,739.56-8,608.20-2,618.72

Finding the Fourth Proportional to 5,739.56, 8,608.20 and 2,618.72

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Solution

The fourth proportional to 5,739.56, 8,608.20 and 2,618.72 is: 3,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.56 : 8,608.20 = 2,618.72 : x
  2. Step 2: Convert to fraction form
    5,739.56/8,608.20 = 2,618.72/x
  3. Step 3: Cross multiply
    5,739.56x = 8,608.20 × 2,618.72
  4. Step 4: Simplify right side
    5,739.56x = 22,542,465.50
  5. Step 5: Solve for x
    x = 22,542,465.50/5,739.56
  6. Step 6: Final answer
    x = 3,927.56

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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.