Home / 4,759.44-7,139.19-1,296.72

Finding the Fourth Proportional to 4,759.44, 7,139.19 and 1,296.72

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Solution

The fourth proportional to 4,759.44, 7,139.19 and 1,296.72 is: 1,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.44 : 7,139.19 = 1,296.72 : x
  2. Step 2: Convert to fraction form
    4,759.44/7,139.19 = 1,296.72/x
  3. Step 3: Cross multiply
    4,759.44x = 7,139.19 × 1,296.72
  4. Step 4: Simplify right side
    4,759.44x = 9,257,530.46
  5. Step 5: Solve for x
    x = 9,257,530.46/4,759.44
  6. Step 6: Final answer
    x = 1,945.09

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1.5x scale

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.