Home / 5,239.69-7,230.77-2,881.83

Finding the Fourth Proportional to 5,239.69, 7,230.77 and 2,881.83

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Solution

The fourth proportional to 5,239.69, 7,230.77 and 2,881.83 is: 3,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.69 : 7,230.77 = 2,881.83 : x
  2. Step 2: Convert to fraction form
    5,239.69/7,230.77 = 2,881.83/x
  3. Step 3: Cross multiply
    5,239.69x = 7,230.77 × 2,881.83
  4. Step 4: Simplify right side
    5,239.69x = 20,837,832.75
  5. Step 5: Solve for x
    x = 20,837,832.75/5,239.69
  6. Step 6: Final answer
    x = 3,976.92

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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.