Home / 8,236.62-12,339.40-4,071.80

Finding the Fourth Proportional to 8,236.62, 12,339.40 and 4,071.80

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Solution

The fourth proportional to 8,236.62, 12,339.40 and 4,071.80 is: 6,100.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.62 : 12,339.40 = 4,071.80 : x
  2. Step 2: Convert to fraction form
    8,236.62/12,339.40 = 4,071.80/x
  3. Step 3: Cross multiply
    8,236.62x = 12,339.40 × 4,071.80
  4. Step 4: Simplify right side
    8,236.62x = 50,243,568.92
  5. Step 5: Solve for x
    x = 50,243,568.92/8,236.62
  6. Step 6: Final answer
    x = 6,100.02

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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.