Home / 7,520.39-11,290.94-3,825.12

Finding the Fourth Proportional to 7,520.39, 11,290.94 and 3,825.12

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Solution

The fourth proportional to 7,520.39, 11,290.94 and 3,825.12 is: 5,742.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.39 : 11,290.94 = 3,825.12 : x
  2. Step 2: Convert to fraction form
    7,520.39/11,290.94 = 3,825.12/x
  3. Step 3: Cross multiply
    7,520.39x = 11,290.94 × 3,825.12
  4. Step 4: Simplify right side
    7,520.39x = 43,189,259.49
  5. Step 5: Solve for x
    x = 43,189,259.49/7,520.39
  6. Step 6: Final answer
    x = 5,742.95

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1.5x scale

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.