Home / 8,722.94-13,087.88-3,176.66

Finding the Fourth Proportional to 8,722.94, 13,087.88 and 3,176.66

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Solution

The fourth proportional to 8,722.94, 13,087.88 and 3,176.66 is: 4,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.94 : 13,087.88 = 3,176.66 : x
  2. Step 2: Convert to fraction form
    8,722.94/13,087.88 = 3,176.66/x
  3. Step 3: Cross multiply
    8,722.94x = 13,087.88 × 3,176.66
  4. Step 4: Simplify right side
    8,722.94x = 41,575,663.56
  5. Step 5: Solve for x
    x = 41,575,663.56/8,722.94
  6. Step 6: Final answer
    x = 4,766.25

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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.