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Finding the Fourth Proportional to 7,268.58, 10,031.58 and 4,125.78

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Solution

The fourth proportional to 7,268.58, 10,031.58 and 4,125.78 is: 5,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.58 : 10,031.58 = 4,125.78 : x
  2. Step 2: Convert to fraction form
    7,268.58/10,031.58 = 4,125.78/x
  3. Step 3: Cross multiply
    7,268.58x = 10,031.58 × 4,125.78
  4. Step 4: Simplify right side
    7,268.58x = 41,388,092.13
  5. Step 5: Solve for x
    x = 41,388,092.13/7,268.58
  6. Step 6: Final answer
    x = 5,694.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.