Home / 7,485.04-11,229.99-3,589.75

Finding the Fourth Proportional to 7,485.04, 11,229.99 and 3,589.75

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Solution

The fourth proportional to 7,485.04, 11,229.99 and 3,589.75 is: 5,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.04 : 11,229.99 = 3,589.75 : x
  2. Step 2: Convert to fraction form
    7,485.04/11,229.99 = 3,589.75/x
  3. Step 3: Cross multiply
    7,485.04x = 11,229.99 × 3,589.75
  4. Step 4: Simplify right side
    7,485.04x = 40,312,856.60
  5. Step 5: Solve for x
    x = 40,312,856.60/7,485.04
  6. Step 6: Final answer
    x = 5,385.79

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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.