Home / 8,475.81-12,704.76-4,083.99

Finding the Fourth Proportional to 8,475.81, 12,704.76 and 4,083.99

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Solution

The fourth proportional to 8,475.81, 12,704.76 and 4,083.99 is: 6,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.81 : 12,704.76 = 4,083.99 : x
  2. Step 2: Convert to fraction form
    8,475.81/12,704.76 = 4,083.99/x
  3. Step 3: Cross multiply
    8,475.81x = 12,704.76 × 4,083.99
  4. Step 4: Simplify right side
    8,475.81x = 51,886,112.79
  5. Step 5: Solve for x
    x = 51,886,112.79/8,475.81
  6. Step 6: Final answer
    x = 6,121.67

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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.