Home / 4,759.31-7,139.00-1,296.56

Finding the Fourth Proportional to 4,759.31, 7,139.00 and 1,296.56

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Solution

The fourth proportional to 4,759.31, 7,139.00 and 1,296.56 is: 1,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.31 : 7,139.00 = 1,296.56 : x
  2. Step 2: Convert to fraction form
    4,759.31/7,139.00 = 1,296.56/x
  3. Step 3: Cross multiply
    4,759.31x = 7,139.00 × 1,296.56
  4. Step 4: Simplify right side
    4,759.31x = 9,256,162.93
  5. Step 5: Solve for x
    x = 9,256,162.93/4,759.31
  6. Step 6: Final answer
    x = 1,944.85

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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.