Home / 5,076.69-7,005.99-2,838.66

Finding the Fourth Proportional to 5,076.69, 7,005.99 and 2,838.66

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Solution

The fourth proportional to 5,076.69, 7,005.99 and 2,838.66 is: 3,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.69 : 7,005.99 = 2,838.66 : x
  2. Step 2: Convert to fraction form
    5,076.69/7,005.99 = 2,838.66/x
  3. Step 3: Cross multiply
    5,076.69x = 7,005.99 × 2,838.66
  4. Step 4: Simplify right side
    5,076.69x = 19,887,623.57
  5. Step 5: Solve for x
    x = 19,887,623.57/5,076.69
  6. Step 6: Final answer
    x = 3,917.44

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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.