Home / 7,616.82-11,415.66-3,455.58

Finding the Fourth Proportional to 7,616.82, 11,415.66 and 3,455.58

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Solution

The fourth proportional to 7,616.82, 11,415.66 and 3,455.58 is: 5,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.82 : 11,415.66 = 3,455.58 : x
  2. Step 2: Convert to fraction form
    7,616.82/11,415.66 = 3,455.58/x
  3. Step 3: Cross multiply
    7,616.82x = 11,415.66 × 3,455.58
  4. Step 4: Simplify right side
    7,616.82x = 39,447,726.38
  5. Step 5: Solve for x
    x = 39,447,726.38/7,616.82
  6. Step 6: Final answer
    x = 5,179.03

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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.