Home / 4,145.70-6,217.26-3,487.80

Finding the Fourth Proportional to 4,145.70, 6,217.26 and 3,487.80

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Solution

The fourth proportional to 4,145.70, 6,217.26 and 3,487.80 is: 5,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.70 : 6,217.26 = 3,487.80 : x
  2. Step 2: Convert to fraction form
    4,145.70/6,217.26 = 3,487.80/x
  3. Step 3: Cross multiply
    4,145.70x = 6,217.26 × 3,487.80
  4. Step 4: Simplify right side
    4,145.70x = 21,684,559.43
  5. Step 5: Solve for x
    x = 21,684,559.43/4,145.70
  6. Step 6: Final answer
    x = 5,230.61

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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.