Home / 8,777.41-13,166.99-3,781.46

Finding the Fourth Proportional to 8,777.41, 13,166.99 and 3,781.46

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Solution

The fourth proportional to 8,777.41, 13,166.99 and 3,781.46 is: 5,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.41 : 13,166.99 = 3,781.46 : x
  2. Step 2: Convert to fraction form
    8,777.41/13,166.99 = 3,781.46/x
  3. Step 3: Cross multiply
    8,777.41x = 13,166.99 × 3,781.46
  4. Step 4: Simplify right side
    8,777.41x = 49,790,446.01
  5. Step 5: Solve for x
    x = 49,790,446.01/8,777.41
  6. Step 6: Final answer
    x = 5,672.57

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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.