Home / 8,506.45-12,757.72-3,242.06

Finding the Fourth Proportional to 8,506.45, 12,757.72 and 3,242.06

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Solution

The fourth proportional to 8,506.45, 12,757.72 and 3,242.06 is: 4,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.45 : 12,757.72 = 3,242.06 : x
  2. Step 2: Convert to fraction form
    8,506.45/12,757.72 = 3,242.06/x
  3. Step 3: Cross multiply
    8,506.45x = 12,757.72 × 3,242.06
  4. Step 4: Simplify right side
    8,506.45x = 41,361,293.70
  5. Step 5: Solve for x
    x = 41,361,293.70/8,506.45
  6. Step 6: Final answer
    x = 4,862.34

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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.