Home / 4,917.28-6,785.30-2,927.56

Finding the Fourth Proportional to 4,917.28, 6,785.30 and 2,927.56

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Solution

The fourth proportional to 4,917.28, 6,785.30 and 2,927.56 is: 4,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.28 : 6,785.30 = 2,927.56 : x
  2. Step 2: Convert to fraction form
    4,917.28/6,785.30 = 2,927.56/x
  3. Step 3: Cross multiply
    4,917.28x = 6,785.30 × 2,927.56
  4. Step 4: Simplify right side
    4,917.28x = 19,864,372.87
  5. Step 5: Solve for x
    x = 19,864,372.87/4,917.28
  6. Step 6: Final answer
    x = 4,039.71

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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.