Home / 8,726.97-13,090.86-2,487.41

Finding the Fourth Proportional to 8,726.97, 13,090.86 and 2,487.41

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Solution

The fourth proportional to 8,726.97, 13,090.86 and 2,487.41 is: 3,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.97 : 13,090.86 = 2,487.41 : x
  2. Step 2: Convert to fraction form
    8,726.97/13,090.86 = 2,487.41/x
  3. Step 3: Cross multiply
    8,726.97x = 13,090.86 × 2,487.41
  4. Step 4: Simplify right side
    8,726.97x = 32,562,270.62
  5. Step 5: Solve for x
    x = 32,562,270.62/8,726.97
  6. Step 6: Final answer
    x = 3,731.22

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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.