Home / 5,618.36-7,751.79-3,379.93

Finding the Fourth Proportional to 5,618.36, 7,751.79 and 3,379.93

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Solution

The fourth proportional to 5,618.36, 7,751.79 and 3,379.93 is: 4,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.36 : 7,751.79 = 3,379.93 : x
  2. Step 2: Convert to fraction form
    5,618.36/7,751.79 = 3,379.93/x
  3. Step 3: Cross multiply
    5,618.36x = 7,751.79 × 3,379.93
  4. Step 4: Simplify right side
    5,618.36x = 26,200,468.82
  5. Step 5: Solve for x
    x = 26,200,468.82/5,618.36
  6. Step 6: Final answer
    x = 4,663.37

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Why These Related Problems?

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