Home / 4,431.07-6,640.39-3,192.65

Finding the Fourth Proportional to 4,431.07, 6,640.39 and 3,192.65

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Solution

The fourth proportional to 4,431.07, 6,640.39 and 3,192.65 is: 4,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.07 : 6,640.39 = 3,192.65 : x
  2. Step 2: Convert to fraction form
    4,431.07/6,640.39 = 3,192.65/x
  3. Step 3: Cross multiply
    4,431.07x = 6,640.39 × 3,192.65
  4. Step 4: Simplify right side
    4,431.07x = 21,200,441.13
  5. Step 5: Solve for x
    x = 21,200,441.13/4,431.07
  6. Step 6: Final answer
    x = 4,784.50

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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.