Home / 8,969.22-13,455.84-2,729.34

Finding the Fourth Proportional to 8,969.22, 13,455.84 and 2,729.34

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Solution

The fourth proportional to 8,969.22, 13,455.84 and 2,729.34 is: 4,094.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.22 : 13,455.84 = 2,729.34 : x
  2. Step 2: Convert to fraction form
    8,969.22/13,455.84 = 2,729.34/x
  3. Step 3: Cross multiply
    8,969.22x = 13,455.84 × 2,729.34
  4. Step 4: Simplify right side
    8,969.22x = 36,725,562.35
  5. Step 5: Solve for x
    x = 36,725,562.35/8,969.22
  6. Step 6: Final answer
    x = 4,094.62

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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.