Home / 8,538.45-12,793.62-5,244.60

Finding the Fourth Proportional to 8,538.45, 12,793.62 and 5,244.60

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Solution

The fourth proportional to 8,538.45, 12,793.62 and 5,244.60 is: 7,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.45 : 12,793.62 = 5,244.60 : x
  2. Step 2: Convert to fraction form
    8,538.45/12,793.62 = 5,244.60/x
  3. Step 3: Cross multiply
    8,538.45x = 12,793.62 × 5,244.60
  4. Step 4: Simplify right side
    8,538.45x = 67,097,419.45
  5. Step 5: Solve for x
    x = 67,097,419.45/8,538.45
  6. Step 6: Final answer
    x = 7,858.27

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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.