Home / 7,027.81-9,697.89-3,883.75

Finding the Fourth Proportional to 7,027.81, 9,697.89 and 3,883.75

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Solution

The fourth proportional to 7,027.81, 9,697.89 and 3,883.75 is: 5,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.81 : 9,697.89 = 3,883.75 : x
  2. Step 2: Convert to fraction form
    7,027.81/9,697.89 = 3,883.75/x
  3. Step 3: Cross multiply
    7,027.81x = 9,697.89 × 3,883.75
  4. Step 4: Simplify right side
    7,027.81x = 37,664,180.29
  5. Step 5: Solve for x
    x = 37,664,180.29/7,027.81
  6. Step 6: Final answer
    x = 5,359.31

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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.