Home / 6,999.75-10,502.64-2,616.66

Finding the Fourth Proportional to 6,999.75, 10,502.64 and 2,616.66

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Solution

The fourth proportional to 6,999.75, 10,502.64 and 2,616.66 is: 3,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.75 : 10,502.64 = 2,616.66 : x
  2. Step 2: Convert to fraction form
    6,999.75/10,502.64 = 2,616.66/x
  3. Step 3: Cross multiply
    6,999.75x = 10,502.64 × 2,616.66
  4. Step 4: Simplify right side
    6,999.75x = 27,481,837.98
  5. Step 5: Solve for x
    x = 27,481,837.98/6,999.75
  6. Step 6: Final answer
    x = 3,926.12

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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.