Home / 8,727.80-13,085.94-3,528.44

Finding the Fourth Proportional to 8,727.80, 13,085.94 and 3,528.44

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Solution

The fourth proportional to 8,727.80, 13,085.94 and 3,528.44 is: 5,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.80 : 13,085.94 = 3,528.44 : x
  2. Step 2: Convert to fraction form
    8,727.80/13,085.94 = 3,528.44/x
  3. Step 3: Cross multiply
    8,727.80x = 13,085.94 × 3,528.44
  4. Step 4: Simplify right side
    8,727.80x = 46,172,954.13
  5. Step 5: Solve for x
    x = 46,172,954.13/8,727.80
  6. Step 6: Final answer
    x = 5,290.33

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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.