Home / 8,093.48-12,135.10-3,412.20

Finding the Fourth Proportional to 8,093.48, 12,135.10 and 3,412.20

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Solution

The fourth proportional to 8,093.48, 12,135.10 and 3,412.20 is: 5,116.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.48 : 12,135.10 = 3,412.20 : x
  2. Step 2: Convert to fraction form
    8,093.48/12,135.10 = 3,412.20/x
  3. Step 3: Cross multiply
    8,093.48x = 12,135.10 × 3,412.20
  4. Step 4: Simplify right side
    8,093.48x = 41,407,388.22
  5. Step 5: Solve for x
    x = 41,407,388.22/8,093.48
  6. Step 6: Final answer
    x = 5,116.14

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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.