Home / 7,436.01-11,135.79-3,531

Finding the Fourth Proportional to 7,436.01, 11,135.79 and 3,531

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Solution

The fourth proportional to 7,436.01, 11,135.79 and 3,531 is: 5,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.01 : 11,135.79 = 3,531 : x
  2. Step 2: Convert to fraction form
    7,436.01/11,135.79 = 3,531/x
  3. Step 3: Cross multiply
    7,436.01x = 11,135.79 × 3,531
  4. Step 4: Simplify right side
    7,436.01x = 39,320,474.49
  5. Step 5: Solve for x
    x = 39,320,474.49/7,436.01
  6. Step 6: Final answer
    x = 5,287.85

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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.