Home / 8,155.23-12,232.62-2,608.53

Finding the Fourth Proportional to 8,155.23, 12,232.62 and 2,608.53

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Solution

The fourth proportional to 8,155.23, 12,232.62 and 2,608.53 is: 3,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.23 : 12,232.62 = 2,608.53 : x
  2. Step 2: Convert to fraction form
    8,155.23/12,232.62 = 2,608.53/x
  3. Step 3: Cross multiply
    8,155.23x = 12,232.62 × 2,608.53
  4. Step 4: Simplify right side
    8,155.23x = 31,909,156.25
  5. Step 5: Solve for x
    x = 31,909,156.25/8,155.23
  6. Step 6: Final answer
    x = 3,912.72

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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.