Home / 4,759.92-7,139.89-1,297.17

Finding the Fourth Proportional to 4,759.92, 7,139.89 and 1,297.17

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Solution

The fourth proportional to 4,759.92, 7,139.89 and 1,297.17 is: 1,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.92 : 7,139.89 = 1,297.17 : x
  2. Step 2: Convert to fraction form
    4,759.92/7,139.89 = 1,297.17/x
  3. Step 3: Cross multiply
    4,759.92x = 7,139.89 × 1,297.17
  4. Step 4: Simplify right side
    4,759.92x = 9,261,651.11
  5. Step 5: Solve for x
    x = 9,261,651.11/4,759.92
  6. Step 6: Final answer
    x = 1,945.76

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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.