Home / 8,766.28-13,150.50-3,571.48

Finding the Fourth Proportional to 8,766.28, 13,150.50 and 3,571.48

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Solution

The fourth proportional to 8,766.28, 13,150.50 and 3,571.48 is: 5,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.28 : 13,150.50 = 3,571.48 : x
  2. Step 2: Convert to fraction form
    8,766.28/13,150.50 = 3,571.48/x
  3. Step 3: Cross multiply
    8,766.28x = 13,150.50 × 3,571.48
  4. Step 4: Simplify right side
    8,766.28x = 46,966,747.74
  5. Step 5: Solve for x
    x = 46,966,747.74/8,766.28
  6. Step 6: Final answer
    x = 5,357.66

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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.