Home / 8,127.13-11,215.43-4,401.13

Finding the Fourth Proportional to 8,127.13, 11,215.43 and 4,401.13

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Solution

The fourth proportional to 8,127.13, 11,215.43 and 4,401.13 is: 6,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.13 : 11,215.43 = 4,401.13 : x
  2. Step 2: Convert to fraction form
    8,127.13/11,215.43 = 4,401.13/x
  3. Step 3: Cross multiply
    8,127.13x = 11,215.43 × 4,401.13
  4. Step 4: Simplify right side
    8,127.13x = 49,360,520.36
  5. Step 5: Solve for x
    x = 49,360,520.36/8,127.13
  6. Step 6: Final answer
    x = 6,073.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.