Home / 5,339.62-8,009.45-3,145.73

Finding the Fourth Proportional to 5,339.62, 8,009.45 and 3,145.73

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Solution

The fourth proportional to 5,339.62, 8,009.45 and 3,145.73 is: 4,718.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.62 : 8,009.45 = 3,145.73 : x
  2. Step 2: Convert to fraction form
    5,339.62/8,009.45 = 3,145.73/x
  3. Step 3: Cross multiply
    5,339.62x = 8,009.45 × 3,145.73
  4. Step 4: Simplify right side
    5,339.62x = 25,195,551.42
  5. Step 5: Solve for x
    x = 25,195,551.42/5,339.62
  6. Step 6: Final answer
    x = 4,718.61

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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.