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Finding the Fourth Proportional to 8,000.26, 12,000.40 and 2,528.26

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Solution

The fourth proportional to 8,000.26, 12,000.40 and 2,528.26 is: 3,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.26 : 12,000.40 = 2,528.26 : x
  2. Step 2: Convert to fraction form
    8,000.26/12,000.40 = 2,528.26/x
  3. Step 3: Cross multiply
    8,000.26x = 12,000.40 × 2,528.26
  4. Step 4: Simplify right side
    8,000.26x = 30,340,131.30
  5. Step 5: Solve for x
    x = 30,340,131.30/8,000.26
  6. Step 6: Final answer
    x = 3,792.39

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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.