Home / 7,427.07-11,141.29-2,429.47

Finding the Fourth Proportional to 7,427.07, 11,141.29 and 2,429.47

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Solution

The fourth proportional to 7,427.07, 11,141.29 and 2,429.47 is: 3,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.07 : 11,141.29 = 2,429.47 : x
  2. Step 2: Convert to fraction form
    7,427.07/11,141.29 = 2,429.47/x
  3. Step 3: Cross multiply
    7,427.07x = 11,141.29 × 2,429.47
  4. Step 4: Simplify right side
    7,427.07x = 27,067,429.82
  5. Step 5: Solve for x
    x = 27,067,429.82/7,427.07
  6. Step 6: Final answer
    x = 3,644.43

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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.