Home / 9,219.52-13,825.20-2,644.21

Finding the Fourth Proportional to 9,219.52, 13,825.20 and 2,644.21

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Solution

The fourth proportional to 9,219.52, 13,825.20 and 2,644.21 is: 3,965.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.52 : 13,825.20 = 2,644.21 : x
  2. Step 2: Convert to fraction form
    9,219.52/13,825.20 = 2,644.21/x
  3. Step 3: Cross multiply
    9,219.52x = 13,825.20 × 2,644.21
  4. Step 4: Simplify right side
    9,219.52x = 36,556,732.09
  5. Step 5: Solve for x
    x = 36,556,732.09/9,219.52
  6. Step 6: Final answer
    x = 3,965.14

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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.