Home / 8,466.21-12,702.36-3,785.84

Finding the Fourth Proportional to 8,466.21, 12,702.36 and 3,785.84

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Solution

The fourth proportional to 8,466.21, 12,702.36 and 3,785.84 is: 5,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.21 : 12,702.36 = 3,785.84 : x
  2. Step 2: Convert to fraction form
    8,466.21/12,702.36 = 3,785.84/x
  3. Step 3: Cross multiply
    8,466.21x = 12,702.36 × 3,785.84
  4. Step 4: Simplify right side
    8,466.21x = 48,089,039.07
  5. Step 5: Solve for x
    x = 48,089,039.07/8,466.21
  6. Step 6: Final answer
    x = 5,680.11

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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.