Home / 8,542.16-12,814.61-3,611.85

Finding the Fourth Proportional to 8,542.16, 12,814.61 and 3,611.85

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Solution

The fourth proportional to 8,542.16, 12,814.61 and 3,611.85 is: 5,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.16 : 12,814.61 = 3,611.85 : x
  2. Step 2: Convert to fraction form
    8,542.16/12,814.61 = 3,611.85/x
  3. Step 3: Cross multiply
    8,542.16x = 12,814.61 × 3,611.85
  4. Step 4: Simplify right side
    8,542.16x = 46,284,449.13
  5. Step 5: Solve for x
    x = 46,284,449.13/8,542.16
  6. Step 6: Final answer
    x = 5,418.35

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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.