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Finding the Fourth Proportional to 6,425.13, 9,636.08 and 3,090.09

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Solution

The fourth proportional to 6,425.13, 9,636.08 and 3,090.09 is: 4,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.13 : 9,636.08 = 3,090.09 : x
  2. Step 2: Convert to fraction form
    6,425.13/9,636.08 = 3,090.09/x
  3. Step 3: Cross multiply
    6,425.13x = 9,636.08 × 3,090.09
  4. Step 4: Simplify right side
    6,425.13x = 29,776,339.00
  5. Step 5: Solve for x
    x = 29,776,339.00/6,425.13
  6. Step 6: Final answer
    x = 4,634.36

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1.5x scale

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.