Home / 7,486.24-11,229.45-3,211.40

Finding the Fourth Proportional to 7,486.24, 11,229.45 and 3,211.40

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Solution

The fourth proportional to 7,486.24, 11,229.45 and 3,211.40 is: 4,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.24 : 11,229.45 = 3,211.40 : x
  2. Step 2: Convert to fraction form
    7,486.24/11,229.45 = 3,211.40/x
  3. Step 3: Cross multiply
    7,486.24x = 11,229.45 × 3,211.40
  4. Step 4: Simplify right side
    7,486.24x = 36,062,255.73
  5. Step 5: Solve for x
    x = 36,062,255.73/7,486.24
  6. Step 6: Final answer
    x = 4,817.14

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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.