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Finding the Fourth Proportional to 6,725, 10,090.30 and 3,604.20

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Solution

The fourth proportional to 6,725, 10,090.30 and 3,604.20 is: 5,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,725 : 10,090.30 = 3,604.20 : x
  2. Step 2: Convert to fraction form
    6,725/10,090.30 = 3,604.20/x
  3. Step 3: Cross multiply
    6,725x = 10,090.30 × 3,604.20
  4. Step 4: Simplify right side
    6,725x = 36,367,459.26
  5. Step 5: Solve for x
    x = 36,367,459.26/6,725
  6. Step 6: Final answer
    x = 5,407.80

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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.