Home / 8,060.26-12,088.04-3,128.80

Finding the Fourth Proportional to 8,060.26, 12,088.04 and 3,128.80

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Solution

The fourth proportional to 8,060.26, 12,088.04 and 3,128.80 is: 4,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.26 : 12,088.04 = 3,128.80 : x
  2. Step 2: Convert to fraction form
    8,060.26/12,088.04 = 3,128.80/x
  3. Step 3: Cross multiply
    8,060.26x = 12,088.04 × 3,128.80
  4. Step 4: Simplify right side
    8,060.26x = 37,821,059.55
  5. Step 5: Solve for x
    x = 37,821,059.55/8,060.26
  6. Step 6: Final answer
    x = 4,692.29

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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.