Home / 4,876.06-6,728.56-2,886.27

Finding the Fourth Proportional to 4,876.06, 6,728.56 and 2,886.27

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Solution

The fourth proportional to 4,876.06, 6,728.56 and 2,886.27 is: 3,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.06 : 6,728.56 = 2,886.27 : x
  2. Step 2: Convert to fraction form
    4,876.06/6,728.56 = 2,886.27/x
  3. Step 3: Cross multiply
    4,876.06x = 6,728.56 × 2,886.27
  4. Step 4: Simplify right side
    4,876.06x = 19,420,440.87
  5. Step 5: Solve for x
    x = 19,420,440.87/4,876.06
  6. Step 6: Final answer
    x = 3,982.81

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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.