Home / 8,452.50-12,680.43-2,608.86

Finding the Fourth Proportional to 8,452.50, 12,680.43 and 2,608.86

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Solution

The fourth proportional to 8,452.50, 12,680.43 and 2,608.86 is: 3,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.50 : 12,680.43 = 2,608.86 : x
  2. Step 2: Convert to fraction form
    8,452.50/12,680.43 = 2,608.86/x
  3. Step 3: Cross multiply
    8,452.50x = 12,680.43 × 2,608.86
  4. Step 4: Simplify right side
    8,452.50x = 33,081,466.61
  5. Step 5: Solve for x
    x = 33,081,466.61/8,452.50
  6. Step 6: Final answer
    x = 3,913.81

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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.