Home / 8,929.08-13,388.16-3,997.80

Finding the Fourth Proportional to 8,929.08, 13,388.16 and 3,997.80

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Solution

The fourth proportional to 8,929.08, 13,388.16 and 3,997.80 is: 5,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.08 : 13,388.16 = 3,997.80 : x
  2. Step 2: Convert to fraction form
    8,929.08/13,388.16 = 3,997.80/x
  3. Step 3: Cross multiply
    8,929.08x = 13,388.16 × 3,997.80
  4. Step 4: Simplify right side
    8,929.08x = 53,523,186.05
  5. Step 5: Solve for x
    x = 53,523,186.05/8,929.08
  6. Step 6: Final answer
    x = 5,994.26

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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.