Home / 4,782.96-6,600.60-2,687.28

Finding the Fourth Proportional to 4,782.96, 6,600.60 and 2,687.28

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Solution

The fourth proportional to 4,782.96, 6,600.60 and 2,687.28 is: 3,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.96 : 6,600.60 = 2,687.28 : x
  2. Step 2: Convert to fraction form
    4,782.96/6,600.60 = 2,687.28/x
  3. Step 3: Cross multiply
    4,782.96x = 6,600.60 × 2,687.28
  4. Step 4: Simplify right side
    4,782.96x = 17,737,660.37
  5. Step 5: Solve for x
    x = 17,737,660.37/4,782.96
  6. Step 6: Final answer
    x = 3,708.51

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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.