Home / 8,164.89-12,252.60-4,272.03

Finding the Fourth Proportional to 8,164.89, 12,252.60 and 4,272.03

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Solution

The fourth proportional to 8,164.89, 12,252.60 and 4,272.03 is: 6,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.89 : 12,252.60 = 4,272.03 : x
  2. Step 2: Convert to fraction form
    8,164.89/12,252.60 = 4,272.03/x
  3. Step 3: Cross multiply
    8,164.89x = 12,252.60 × 4,272.03
  4. Step 4: Simplify right side
    8,164.89x = 52,343,474.78
  5. Step 5: Solve for x
    x = 52,343,474.78/8,164.89
  6. Step 6: Final answer
    x = 6,410.80

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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.