Home / 8,200.23-12,302.46-3,812.55

Finding the Fourth Proportional to 8,200.23, 12,302.46 and 3,812.55

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Solution

The fourth proportional to 8,200.23, 12,302.46 and 3,812.55 is: 5,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.23 : 12,302.46 = 3,812.55 : x
  2. Step 2: Convert to fraction form
    8,200.23/12,302.46 = 3,812.55/x
  3. Step 3: Cross multiply
    8,200.23x = 12,302.46 × 3,812.55
  4. Step 4: Simplify right side
    8,200.23x = 46,903,743.87
  5. Step 5: Solve for x
    x = 46,903,743.87/8,200.23
  6. Step 6: Final answer
    x = 5,719.81

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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.