Home / 8,494.11-12,740.72-2,650.05

Finding the Fourth Proportional to 8,494.11, 12,740.72 and 2,650.05

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Solution

The fourth proportional to 8,494.11, 12,740.72 and 2,650.05 is: 3,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.11 : 12,740.72 = 2,650.05 : x
  2. Step 2: Convert to fraction form
    8,494.11/12,740.72 = 2,650.05/x
  3. Step 3: Cross multiply
    8,494.11x = 12,740.72 × 2,650.05
  4. Step 4: Simplify right side
    8,494.11x = 33,763,531.79
  5. Step 5: Solve for x
    x = 33,763,531.79/8,494.11
  6. Step 6: Final answer
    x = 3,974.93

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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.