Home / 8,455.26-12,683.82-2,612.34

Finding the Fourth Proportional to 8,455.26, 12,683.82 and 2,612.34

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Solution

The fourth proportional to 8,455.26, 12,683.82 and 2,612.34 is: 3,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.26 : 12,683.82 = 2,612.34 : x
  2. Step 2: Convert to fraction form
    8,455.26/12,683.82 = 2,612.34/x
  3. Step 3: Cross multiply
    8,455.26x = 12,683.82 × 2,612.34
  4. Step 4: Simplify right side
    8,455.26x = 33,134,450.34
  5. Step 5: Solve for x
    x = 33,134,450.34/8,455.26
  6. Step 6: Final answer
    x = 3,918.80

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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.