Home / 8,922.48-13,388.04-3,079.68

Finding the Fourth Proportional to 8,922.48, 13,388.04 and 3,079.68

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Solution

The fourth proportional to 8,922.48, 13,388.04 and 3,079.68 is: 4,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.48 : 13,388.04 = 3,079.68 : x
  2. Step 2: Convert to fraction form
    8,922.48/13,388.04 = 3,079.68/x
  3. Step 3: Cross multiply
    8,922.48x = 13,388.04 × 3,079.68
  4. Step 4: Simplify right side
    8,922.48x = 41,230,879.03
  5. Step 5: Solve for x
    x = 41,230,879.03/8,922.48
  6. Step 6: Final answer
    x = 4,621.01

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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.