Home / 8,989.94-13,486.68-2,750.85

Finding the Fourth Proportional to 8,989.94, 13,486.68 and 2,750.85

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Solution

The fourth proportional to 8,989.94, 13,486.68 and 2,750.85 is: 4,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.94 : 13,486.68 = 2,750.85 : x
  2. Step 2: Convert to fraction form
    8,989.94/13,486.68 = 2,750.85/x
  3. Step 3: Cross multiply
    8,989.94x = 13,486.68 × 2,750.85
  4. Step 4: Simplify right side
    8,989.94x = 37,099,833.68
  5. Step 5: Solve for x
    x = 37,099,833.68/8,989.94
  6. Step 6: Final answer
    x = 4,126.82

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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.