Home / 8,815.48-13,228.37-3,272.72

Finding the Fourth Proportional to 8,815.48, 13,228.37 and 3,272.72

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Solution

The fourth proportional to 8,815.48, 13,228.37 and 3,272.72 is: 4,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.48 : 13,228.37 = 3,272.72 : x
  2. Step 2: Convert to fraction form
    8,815.48/13,228.37 = 3,272.72/x
  3. Step 3: Cross multiply
    8,815.48x = 13,228.37 × 3,272.72
  4. Step 4: Simplify right side
    8,815.48x = 43,292,792.32
  5. Step 5: Solve for x
    x = 43,292,792.32/8,815.48
  6. Step 6: Final answer
    x = 4,911.00

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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.