Home / 8,740.41-13,110.49-2,166.56

Finding the Fourth Proportional to 8,740.41, 13,110.49 and 2,166.56

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Solution

The fourth proportional to 8,740.41, 13,110.49 and 2,166.56 is: 3,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.41 : 13,110.49 = 2,166.56 : x
  2. Step 2: Convert to fraction form
    8,740.41/13,110.49 = 2,166.56/x
  3. Step 3: Cross multiply
    8,740.41x = 13,110.49 × 2,166.56
  4. Step 4: Simplify right side
    8,740.41x = 28,404,663.21
  5. Step 5: Solve for x
    x = 28,404,663.21/8,740.41
  6. Step 6: Final answer
    x = 3,249.81

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1.5x scale

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.