Home / 8,055.44-12,083.76-3,122.96

Finding the Fourth Proportional to 8,055.44, 12,083.76 and 3,122.96

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Solution

The fourth proportional to 8,055.44, 12,083.76 and 3,122.96 is: 4,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.44 : 12,083.76 = 3,122.96 : x
  2. Step 2: Convert to fraction form
    8,055.44/12,083.76 = 3,122.96/x
  3. Step 3: Cross multiply
    8,055.44x = 12,083.76 × 3,122.96
  4. Step 4: Simplify right side
    8,055.44x = 37,737,099.13
  5. Step 5: Solve for x
    x = 37,737,099.13/8,055.44
  6. Step 6: Final answer
    x = 4,684.67

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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.