Home / 8,726.46-13,091.31-2,887.17

Finding the Fourth Proportional to 8,726.46, 13,091.31 and 2,887.17

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Solution

The fourth proportional to 8,726.46, 13,091.31 and 2,887.17 is: 4,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.46 : 13,091.31 = 2,887.17 : x
  2. Step 2: Convert to fraction form
    8,726.46/13,091.31 = 2,887.17/x
  3. Step 3: Cross multiply
    8,726.46x = 13,091.31 × 2,887.17
  4. Step 4: Simplify right side
    8,726.46x = 37,796,837.49
  5. Step 5: Solve for x
    x = 37,796,837.49/8,726.46
  6. Step 6: Final answer
    x = 4,331.29

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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.