Home / 7,418.24-11,128.98-3,036.14

Finding the Fourth Proportional to 7,418.24, 11,128.98 and 3,036.14

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Solution

The fourth proportional to 7,418.24, 11,128.98 and 3,036.14 is: 4,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.24 : 11,128.98 = 3,036.14 : x
  2. Step 2: Convert to fraction form
    7,418.24/11,128.98 = 3,036.14/x
  3. Step 3: Cross multiply
    7,418.24x = 11,128.98 × 3,036.14
  4. Step 4: Simplify right side
    7,418.24x = 33,789,141.34
  5. Step 5: Solve for x
    x = 33,789,141.34/7,418.24
  6. Step 6: Final answer
    x = 4,554.87

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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.