Home / 5,076.82-7,006.16-2,838.79

Finding the Fourth Proportional to 5,076.82, 7,006.16 and 2,838.79

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Solution

The fourth proportional to 5,076.82, 7,006.16 and 2,838.79 is: 3,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.82 : 7,006.16 = 2,838.79 : x
  2. Step 2: Convert to fraction form
    5,076.82/7,006.16 = 2,838.79/x
  3. Step 3: Cross multiply
    5,076.82x = 7,006.16 × 2,838.79
  4. Step 4: Simplify right side
    5,076.82x = 19,889,006.53
  5. Step 5: Solve for x
    x = 19,889,006.53/5,076.82
  6. Step 6: Final answer
    x = 3,917.61

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1.5x scale

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.