Home / 8,785.26-13,179.21-2,860.21

Finding the Fourth Proportional to 8,785.26, 13,179.21 and 2,860.21

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Solution

The fourth proportional to 8,785.26, 13,179.21 and 2,860.21 is: 4,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.26 : 13,179.21 = 2,860.21 : x
  2. Step 2: Convert to fraction form
    8,785.26/13,179.21 = 2,860.21/x
  3. Step 3: Cross multiply
    8,785.26x = 13,179.21 × 2,860.21
  4. Step 4: Simplify right side
    8,785.26x = 37,695,313.98
  5. Step 5: Solve for x
    x = 37,695,313.98/8,785.26
  6. Step 6: Final answer
    x = 4,290.75

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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.