Home / 9,085.12-13,623.44-3,240.36

Finding the Fourth Proportional to 9,085.12, 13,623.44 and 3,240.36

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Solution

The fourth proportional to 9,085.12, 13,623.44 and 3,240.36 is: 4,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.12 : 13,623.44 = 3,240.36 : x
  2. Step 2: Convert to fraction form
    9,085.12/13,623.44 = 3,240.36/x
  3. Step 3: Cross multiply
    9,085.12x = 13,623.44 × 3,240.36
  4. Step 4: Simplify right side
    9,085.12x = 44,144,850.04
  5. Step 5: Solve for x
    x = 44,144,850.04/9,085.12
  6. Step 6: Final answer
    x = 4,859.03

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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.