Home / 7,645.14-11,467.71-2,715.30

Finding the Fourth Proportional to 7,645.14, 11,467.71 and 2,715.30

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Solution

The fourth proportional to 7,645.14, 11,467.71 and 2,715.30 is: 4,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.14 : 11,467.71 = 2,715.30 : x
  2. Step 2: Convert to fraction form
    7,645.14/11,467.71 = 2,715.30/x
  3. Step 3: Cross multiply
    7,645.14x = 11,467.71 × 2,715.30
  4. Step 4: Simplify right side
    7,645.14x = 31,138,272.96
  5. Step 5: Solve for x
    x = 31,138,272.96/7,645.14
  6. Step 6: Final answer
    x = 4,072.95

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Similar ratio
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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.