Home / 8,605.26-12,908.82-3,059.13

Finding the Fourth Proportional to 8,605.26, 12,908.82 and 3,059.13

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Solution

The fourth proportional to 8,605.26, 12,908.82 and 3,059.13 is: 4,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.26 : 12,908.82 = 3,059.13 : x
  2. Step 2: Convert to fraction form
    8,605.26/12,908.82 = 3,059.13/x
  3. Step 3: Cross multiply
    8,605.26x = 12,908.82 × 3,059.13
  4. Step 4: Simplify right side
    8,605.26x = 39,489,758.53
  5. Step 5: Solve for x
    x = 39,489,758.53/8,605.26
  6. Step 6: Final answer
    x = 4,589.03

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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.