Home / 8,282.45-12,421.04-2,734.76

Finding the Fourth Proportional to 8,282.45, 12,421.04 and 2,734.76

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Solution

The fourth proportional to 8,282.45, 12,421.04 and 2,734.76 is: 4,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.45 : 12,421.04 = 2,734.76 : x
  2. Step 2: Convert to fraction form
    8,282.45/12,421.04 = 2,734.76/x
  3. Step 3: Cross multiply
    8,282.45x = 12,421.04 × 2,734.76
  4. Step 4: Simplify right side
    8,282.45x = 33,968,487.57
  5. Step 5: Solve for x
    x = 33,968,487.57/8,282.45
  6. Step 6: Final answer
    x = 4,101.26

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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.