Home / 5,076.35-7,005.71-2,838.63

Finding the Fourth Proportional to 5,076.35, 7,005.71 and 2,838.63

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Solution

The fourth proportional to 5,076.35, 7,005.71 and 2,838.63 is: 3,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.35 : 7,005.71 = 2,838.63 : x
  2. Step 2: Convert to fraction form
    5,076.35/7,005.71 = 2,838.63/x
  3. Step 3: Cross multiply
    5,076.35x = 7,005.71 × 2,838.63
  4. Step 4: Simplify right side
    5,076.35x = 19,886,604.38
  5. Step 5: Solve for x
    x = 19,886,604.38/5,076.35
  6. Step 6: Final answer
    x = 3,917.50

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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.