Home / 8,454.35-12,680.78-2,610.38

Finding the Fourth Proportional to 8,454.35, 12,680.78 and 2,610.38

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Solution

The fourth proportional to 8,454.35, 12,680.78 and 2,610.38 is: 3,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.35 : 12,680.78 = 2,610.38 : x
  2. Step 2: Convert to fraction form
    8,454.35/12,680.78 = 2,610.38/x
  3. Step 3: Cross multiply
    8,454.35x = 12,680.78 × 2,610.38
  4. Step 4: Simplify right side
    8,454.35x = 33,101,578.04
  5. Step 5: Solve for x
    x = 33,101,578.04/8,454.35
  6. Step 6: Final answer
    x = 3,915.33

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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.