Home / 4,322.70-6,485.41-3,287.65

Finding the Fourth Proportional to 4,322.70, 6,485.41 and 3,287.65

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Solution

The fourth proportional to 4,322.70, 6,485.41 and 3,287.65 is: 4,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.70 : 6,485.41 = 3,287.65 : x
  2. Step 2: Convert to fraction form
    4,322.70/6,485.41 = 3,287.65/x
  3. Step 3: Cross multiply
    4,322.70x = 6,485.41 × 3,287.65
  4. Step 4: Simplify right side
    4,322.70x = 21,321,758.19
  5. Step 5: Solve for x
    x = 21,321,758.19/4,322.70
  6. Step 6: Final answer
    x = 4,932.51

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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.