Home / 7,618.38-11,420.07-3,668.52

Finding the Fourth Proportional to 7,618.38, 11,420.07 and 3,668.52

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Solution

The fourth proportional to 7,618.38, 11,420.07 and 3,668.52 is: 5,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.38 : 11,420.07 = 3,668.52 : x
  2. Step 2: Convert to fraction form
    7,618.38/11,420.07 = 3,668.52/x
  3. Step 3: Cross multiply
    7,618.38x = 11,420.07 × 3,668.52
  4. Step 4: Simplify right side
    7,618.38x = 41,894,755.20
  5. Step 5: Solve for x
    x = 41,894,755.20/7,618.38
  6. Step 6: Final answer
    x = 5,499.17

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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.