Home / 8,104.34-12,147.60-3,173.06

Finding the Fourth Proportional to 8,104.34, 12,147.60 and 3,173.06

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Solution

The fourth proportional to 8,104.34, 12,147.60 and 3,173.06 is: 4,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.34 : 12,147.60 = 3,173.06 : x
  2. Step 2: Convert to fraction form
    8,104.34/12,147.60 = 3,173.06/x
  3. Step 3: Cross multiply
    8,104.34x = 12,147.60 × 3,173.06
  4. Step 4: Simplify right side
    8,104.34x = 38,545,063.66
  5. Step 5: Solve for x
    x = 38,545,063.66/8,104.34
  6. Step 6: Final answer
    x = 4,756.10

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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.