Home / 8,628.45-12,942.69-2,624.58

Finding the Fourth Proportional to 8,628.45, 12,942.69 and 2,624.58

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Solution

The fourth proportional to 8,628.45, 12,942.69 and 2,624.58 is: 3,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.45 : 12,942.69 = 2,624.58 : x
  2. Step 2: Convert to fraction form
    8,628.45/12,942.69 = 2,624.58/x
  3. Step 3: Cross multiply
    8,628.45x = 12,942.69 × 2,624.58
  4. Step 4: Simplify right side
    8,628.45x = 33,969,079.08
  5. Step 5: Solve for x
    x = 33,969,079.08/8,628.45
  6. Step 6: Final answer
    x = 3,936.87

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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.