Home / 5,310.80-7,329.47-3,321.99

Finding the Fourth Proportional to 5,310.80, 7,329.47 and 3,321.99

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Solution

The fourth proportional to 5,310.80, 7,329.47 and 3,321.99 is: 4,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.80 : 7,329.47 = 3,321.99 : x
  2. Step 2: Convert to fraction form
    5,310.80/7,329.47 = 3,321.99/x
  3. Step 3: Cross multiply
    5,310.80x = 7,329.47 × 3,321.99
  4. Step 4: Simplify right side
    5,310.80x = 24,348,409.44
  5. Step 5: Solve for x
    x = 24,348,409.44/5,310.80
  6. Step 6: Final answer
    x = 4,584.70

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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.