Home / 7,425.32-11,138.17-2,160.11

Finding the Fourth Proportional to 7,425.32, 11,138.17 and 2,160.11

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Solution

The fourth proportional to 7,425.32, 11,138.17 and 2,160.11 is: 3,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.32 : 11,138.17 = 2,160.11 : x
  2. Step 2: Convert to fraction form
    7,425.32/11,138.17 = 2,160.11/x
  3. Step 3: Cross multiply
    7,425.32x = 11,138.17 × 2,160.11
  4. Step 4: Simplify right side
    7,425.32x = 24,059,694.84
  5. Step 5: Solve for x
    x = 24,059,694.84/7,425.32
  6. Step 6: Final answer
    x = 3,240.23

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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.