Home / 8,176.10-12,262.96-2,628.70

Finding the Fourth Proportional to 8,176.10, 12,262.96 and 2,628.70

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Solution

The fourth proportional to 8,176.10, 12,262.96 and 2,628.70 is: 3,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.10 : 12,262.96 = 2,628.70 : x
  2. Step 2: Convert to fraction form
    8,176.10/12,262.96 = 2,628.70/x
  3. Step 3: Cross multiply
    8,176.10x = 12,262.96 × 2,628.70
  4. Step 4: Simplify right side
    8,176.10x = 32,235,642.95
  5. Step 5: Solve for x
    x = 32,235,642.95/8,176.10
  6. Step 6: Final answer
    x = 3,942.67

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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.