Home / 8,636.09-12,954.14-3,445.61

Finding the Fourth Proportional to 8,636.09, 12,954.14 and 3,445.61

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Solution

The fourth proportional to 8,636.09, 12,954.14 and 3,445.61 is: 5,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.09 : 12,954.14 = 3,445.61 : x
  2. Step 2: Convert to fraction form
    8,636.09/12,954.14 = 3,445.61/x
  3. Step 3: Cross multiply
    8,636.09x = 12,954.14 × 3,445.61
  4. Step 4: Simplify right side
    8,636.09x = 44,634,914.33
  5. Step 5: Solve for x
    x = 44,634,914.33/8,636.09
  6. Step 6: Final answer
    x = 5,168.42

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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.