Home / 6,729.60-10,094.40-5,172.60

Finding the Fourth Proportional to 6,729.60, 10,094.40 and 5,172.60

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Solution

The fourth proportional to 6,729.60, 10,094.40 and 5,172.60 is: 7,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.60 : 10,094.40 = 5,172.60 : x
  2. Step 2: Convert to fraction form
    6,729.60/10,094.40 = 5,172.60/x
  3. Step 3: Cross multiply
    6,729.60x = 10,094.40 × 5,172.60
  4. Step 4: Simplify right side
    6,729.60x = 52,214,293.44
  5. Step 5: Solve for x
    x = 52,214,293.44/6,729.60
  6. Step 6: Final answer
    x = 7,758.90

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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.