Home / 8,156.33-12,235.30-2,608.28

Finding the Fourth Proportional to 8,156.33, 12,235.30 and 2,608.28

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Solution

The fourth proportional to 8,156.33, 12,235.30 and 2,608.28 is: 3,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.33 : 12,235.30 = 2,608.28 : x
  2. Step 2: Convert to fraction form
    8,156.33/12,235.30 = 2,608.28/x
  3. Step 3: Cross multiply
    8,156.33x = 12,235.30 × 2,608.28
  4. Step 4: Simplify right side
    8,156.33x = 31,913,014.07
  5. Step 5: Solve for x
    x = 31,913,014.07/8,156.33
  6. Step 6: Final answer
    x = 3,912.67

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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.