Home / 4,687.32-6,469.79-2,917.88

Finding the Fourth Proportional to 4,687.32, 6,469.79 and 2,917.88

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Solution

The fourth proportional to 4,687.32, 6,469.79 and 2,917.88 is: 4,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.32 : 6,469.79 = 2,917.88 : x
  2. Step 2: Convert to fraction form
    4,687.32/6,469.79 = 2,917.88/x
  3. Step 3: Cross multiply
    4,687.32x = 6,469.79 × 2,917.88
  4. Step 4: Simplify right side
    4,687.32x = 18,878,023.91
  5. Step 5: Solve for x
    x = 18,878,023.91/4,687.32
  6. Step 6: Final answer
    x = 4,027.47

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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.