Home / 8,154.87-12,234.11-2,608.67

Finding the Fourth Proportional to 8,154.87, 12,234.11 and 2,608.67

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Solution

The fourth proportional to 8,154.87, 12,234.11 and 2,608.67 is: 3,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.87 : 12,234.11 = 2,608.67 : x
  2. Step 2: Convert to fraction form
    8,154.87/12,234.11 = 2,608.67/x
  3. Step 3: Cross multiply
    8,154.87x = 12,234.11 × 2,608.67
  4. Step 4: Simplify right side
    8,154.87x = 31,914,681.52
  5. Step 5: Solve for x
    x = 31,914,681.52/8,154.87
  6. Step 6: Final answer
    x = 3,913.57

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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.