Home / 8,542.68-12,814.56-3,611.67

Finding the Fourth Proportional to 8,542.68, 12,814.56 and 3,611.67

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Solution

The fourth proportional to 8,542.68, 12,814.56 and 3,611.67 is: 5,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.68 : 12,814.56 = 3,611.67 : x
  2. Step 2: Convert to fraction form
    8,542.68/12,814.56 = 3,611.67/x
  3. Step 3: Cross multiply
    8,542.68x = 12,814.56 × 3,611.67
  4. Step 4: Simplify right side
    8,542.68x = 46,281,961.92
  5. Step 5: Solve for x
    x = 46,281,961.92/8,542.68
  6. Step 6: Final answer
    x = 5,417.73

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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.