Home / 6,726.88-10,091.36-2,109.92

Finding the Fourth Proportional to 6,726.88, 10,091.36 and 2,109.92

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Solution

The fourth proportional to 6,726.88, 10,091.36 and 2,109.92 is: 3,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726.88 : 10,091.36 = 2,109.92 : x
  2. Step 2: Convert to fraction form
    6,726.88/10,091.36 = 2,109.92/x
  3. Step 3: Cross multiply
    6,726.88x = 10,091.36 × 2,109.92
  4. Step 4: Simplify right side
    6,726.88x = 21,291,962.29
  5. Step 5: Solve for x
    x = 21,291,962.29/6,726.88
  6. Step 6: Final answer
    x = 3,165.21

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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.