Home / 7,748.12-11,622.28-2,201.60

Finding the Fourth Proportional to 7,748.12, 11,622.28 and 2,201.60

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Solution

The fourth proportional to 7,748.12, 11,622.28 and 2,201.60 is: 3,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.12 : 11,622.28 = 2,201.60 : x
  2. Step 2: Convert to fraction form
    7,748.12/11,622.28 = 2,201.60/x
  3. Step 3: Cross multiply
    7,748.12x = 11,622.28 × 2,201.60
  4. Step 4: Simplify right side
    7,748.12x = 25,587,611.65
  5. Step 5: Solve for x
    x = 25,587,611.65/7,748.12
  6. Step 6: Final answer
    x = 3,302.43

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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.