Home / 5,278.53-7,917.73-3,101.07

Finding the Fourth Proportional to 5,278.53, 7,917.73 and 3,101.07

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Solution

The fourth proportional to 5,278.53, 7,917.73 and 3,101.07 is: 4,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.53 : 7,917.73 = 3,101.07 : x
  2. Step 2: Convert to fraction form
    5,278.53/7,917.73 = 3,101.07/x
  3. Step 3: Cross multiply
    5,278.53x = 7,917.73 × 3,101.07
  4. Step 4: Simplify right side
    5,278.53x = 24,553,434.97
  5. Step 5: Solve for x
    x = 24,553,434.97/5,278.53
  6. Step 6: Final answer
    x = 4,651.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.