Home / 9,215.46-13,825.92-3,665.64

Finding the Fourth Proportional to 9,215.46, 13,825.92 and 3,665.64

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Solution

The fourth proportional to 9,215.46, 13,825.92 and 3,665.64 is: 5,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.46 : 13,825.92 = 3,665.64 : x
  2. Step 2: Convert to fraction form
    9,215.46/13,825.92 = 3,665.64/x
  3. Step 3: Cross multiply
    9,215.46x = 13,825.92 × 3,665.64
  4. Step 4: Simplify right side
    9,215.46x = 50,680,845.39
  5. Step 5: Solve for x
    x = 50,680,845.39/9,215.46
  6. Step 6: Final answer
    x = 5,499.55

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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.