Home / 8,727.22-13,090.66-2,487.28

Finding the Fourth Proportional to 8,727.22, 13,090.66 and 2,487.28

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Solution

The fourth proportional to 8,727.22, 13,090.66 and 2,487.28 is: 3,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.22 : 13,090.66 = 2,487.28 : x
  2. Step 2: Convert to fraction form
    8,727.22/13,090.66 = 2,487.28/x
  3. Step 3: Cross multiply
    8,727.22x = 13,090.66 × 2,487.28
  4. Step 4: Simplify right side
    8,727.22x = 32,560,136.80
  5. Step 5: Solve for x
    x = 32,560,136.80/8,727.22
  6. Step 6: Final answer
    x = 3,730.87

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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.