Home / 8,838.64-13,249.56-3,288.20

Finding the Fourth Proportional to 8,838.64, 13,249.56 and 3,288.20

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Solution

The fourth proportional to 8,838.64, 13,249.56 and 3,288.20 is: 4,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.64 : 13,249.56 = 3,288.20 : x
  2. Step 2: Convert to fraction form
    8,838.64/13,249.56 = 3,288.20/x
  3. Step 3: Cross multiply
    8,838.64x = 13,249.56 × 3,288.20
  4. Step 4: Simplify right side
    8,838.64x = 43,567,203.19
  5. Step 5: Solve for x
    x = 43,567,203.19/8,838.64
  6. Step 6: Final answer
    x = 4,929.17

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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.