Home / 8,759.24-13,140.35-3,828.77

Finding the Fourth Proportional to 8,759.24, 13,140.35 and 3,828.77

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Solution

The fourth proportional to 8,759.24, 13,140.35 and 3,828.77 is: 5,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.24 : 13,140.35 = 3,828.77 : x
  2. Step 2: Convert to fraction form
    8,759.24/13,140.35 = 3,828.77/x
  3. Step 3: Cross multiply
    8,759.24x = 13,140.35 × 3,828.77
  4. Step 4: Simplify right side
    8,759.24x = 50,311,377.87
  5. Step 5: Solve for x
    x = 50,311,377.87/8,759.24
  6. Step 6: Final answer
    x = 5,743.81

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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.