Home / 4,759.74-7,139.88-1,297.26

Finding the Fourth Proportional to 4,759.74, 7,139.88 and 1,297.26

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Solution

The fourth proportional to 4,759.74, 7,139.88 and 1,297.26 is: 1,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.74 : 7,139.88 = 1,297.26 : x
  2. Step 2: Convert to fraction form
    4,759.74/7,139.88 = 1,297.26/x
  3. Step 3: Cross multiply
    4,759.74x = 7,139.88 × 1,297.26
  4. Step 4: Simplify right side
    4,759.74x = 9,262,280.73
  5. Step 5: Solve for x
    x = 9,262,280.73/4,759.74
  6. Step 6: Final answer
    x = 1,945.96

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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.