Home / 5,335.56-8,003.46-3,145.86

Finding the Fourth Proportional to 5,335.56, 8,003.46 and 3,145.86

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Solution

The fourth proportional to 5,335.56, 8,003.46 and 3,145.86 is: 4,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.56 : 8,003.46 = 3,145.86 : x
  2. Step 2: Convert to fraction form
    5,335.56/8,003.46 = 3,145.86/x
  3. Step 3: Cross multiply
    5,335.56x = 8,003.46 × 3,145.86
  4. Step 4: Simplify right side
    5,335.56x = 25,177,764.68
  5. Step 5: Solve for x
    x = 25,177,764.68/5,335.56
  6. Step 6: Final answer
    x = 4,718.86

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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.