Home / 5,382.72-8,069.76-3,299.52

Finding the Fourth Proportional to 5,382.72, 8,069.76 and 3,299.52

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Solution

The fourth proportional to 5,382.72, 8,069.76 and 3,299.52 is: 4,946.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.72 : 8,069.76 = 3,299.52 : x
  2. Step 2: Convert to fraction form
    5,382.72/8,069.76 = 3,299.52/x
  3. Step 3: Cross multiply
    5,382.72x = 8,069.76 × 3,299.52
  4. Step 4: Simplify right side
    5,382.72x = 26,626,334.52
  5. Step 5: Solve for x
    x = 26,626,334.52/5,382.72
  6. Step 6: Final answer
    x = 4,946.63

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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.