Home / 8,740.11-13,112.07-3,193.45

Finding the Fourth Proportional to 8,740.11, 13,112.07 and 3,193.45

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Solution

The fourth proportional to 8,740.11, 13,112.07 and 3,193.45 is: 4,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.11 : 13,112.07 = 3,193.45 : x
  2. Step 2: Convert to fraction form
    8,740.11/13,112.07 = 3,193.45/x
  3. Step 3: Cross multiply
    8,740.11x = 13,112.07 × 3,193.45
  4. Step 4: Simplify right side
    8,740.11x = 41,872,723.55
  5. Step 5: Solve for x
    x = 41,872,723.55/8,740.11
  6. Step 6: Final answer
    x = 4,790.87

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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.