Home / 7,864.43-11,796.91-2,669.63

Finding the Fourth Proportional to 7,864.43, 11,796.91 and 2,669.63

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Solution

The fourth proportional to 7,864.43, 11,796.91 and 2,669.63 is: 4,004.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.43 : 11,796.91 = 2,669.63 : x
  2. Step 2: Convert to fraction form
    7,864.43/11,796.91 = 2,669.63/x
  3. Step 3: Cross multiply
    7,864.43x = 11,796.91 × 2,669.63
  4. Step 4: Simplify right side
    7,864.43x = 31,493,319.18
  5. Step 5: Solve for x
    x = 31,493,319.18/7,864.43
  6. Step 6: Final answer
    x = 4,004.53

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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.