Home / 5,479.72-7,563.44-3,382.62

Finding the Fourth Proportional to 5,479.72, 7,563.44 and 3,382.62

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Solution

The fourth proportional to 5,479.72, 7,563.44 and 3,382.62 is: 4,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.72 : 7,563.44 = 3,382.62 : x
  2. Step 2: Convert to fraction form
    5,479.72/7,563.44 = 3,382.62/x
  3. Step 3: Cross multiply
    5,479.72x = 7,563.44 × 3,382.62
  4. Step 4: Simplify right side
    5,479.72x = 25,584,243.41
  5. Step 5: Solve for x
    x = 25,584,243.41/5,479.72
  6. Step 6: Final answer
    x = 4,668.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.