Home / 5,523.28-7,621.32-3,165.04

Finding the Fourth Proportional to 5,523.28, 7,621.32 and 3,165.04

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Solution

The fourth proportional to 5,523.28, 7,621.32 and 3,165.04 is: 4,367.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.28 : 7,621.32 = 3,165.04 : x
  2. Step 2: Convert to fraction form
    5,523.28/7,621.32 = 3,165.04/x
  3. Step 3: Cross multiply
    5,523.28x = 7,621.32 × 3,165.04
  4. Step 4: Simplify right side
    5,523.28x = 24,121,782.65
  5. Step 5: Solve for x
    x = 24,121,782.65/5,523.28
  6. Step 6: Final answer
    x = 4,367.29

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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.