Home / 9,085.25-13,619.66-3,240.50

Finding the Fourth Proportional to 9,085.25, 13,619.66 and 3,240.50

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Solution

The fourth proportional to 9,085.25, 13,619.66 and 3,240.50 is: 4,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.25 : 13,619.66 = 3,240.50 : x
  2. Step 2: Convert to fraction form
    9,085.25/13,619.66 = 3,240.50/x
  3. Step 3: Cross multiply
    9,085.25x = 13,619.66 × 3,240.50
  4. Step 4: Simplify right side
    9,085.25x = 44,134,423.93
  5. Step 5: Solve for x
    x = 44,134,423.93/9,085.25
  6. Step 6: Final answer
    x = 4,857.81

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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.