Home / 5,399.25-8,080.58-3,320.57

Finding the Fourth Proportional to 5,399.25, 8,080.58 and 3,320.57

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Solution

The fourth proportional to 5,399.25, 8,080.58 and 3,320.57 is: 4,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.25 : 8,080.58 = 3,320.57 : x
  2. Step 2: Convert to fraction form
    5,399.25/8,080.58 = 3,320.57/x
  3. Step 3: Cross multiply
    5,399.25x = 8,080.58 × 3,320.57
  4. Step 4: Simplify right side
    5,399.25x = 26,832,131.53
  5. Step 5: Solve for x
    x = 26,832,131.53/5,399.25
  6. Step 6: Final answer
    x = 4,969.60

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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.