Home / 8,685.34-13,028.00-2,111.48

Finding the Fourth Proportional to 8,685.34, 13,028.00 and 2,111.48

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Solution

The fourth proportional to 8,685.34, 13,028.00 and 2,111.48 is: 3,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.34 : 13,028.00 = 2,111.48 : x
  2. Step 2: Convert to fraction form
    8,685.34/13,028.00 = 2,111.48/x
  3. Step 3: Cross multiply
    8,685.34x = 13,028.00 × 2,111.48
  4. Step 4: Simplify right side
    8,685.34x = 27,508,350.88
  5. Step 5: Solve for x
    x = 27,508,350.88/8,685.34
  6. Step 6: Final answer
    x = 3,167.22

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Similar ratio
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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.