Home / 8,541.88-12,814.18-3,611.56

Finding the Fourth Proportional to 8,541.88, 12,814.18 and 3,611.56

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Solution

The fourth proportional to 8,541.88, 12,814.18 and 3,611.56 is: 5,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.88 : 12,814.18 = 3,611.56 : x
  2. Step 2: Convert to fraction form
    8,541.88/12,814.18 = 3,611.56/x
  3. Step 3: Cross multiply
    8,541.88x = 12,814.18 × 3,611.56
  4. Step 4: Simplify right side
    8,541.88x = 46,279,179.92
  5. Step 5: Solve for x
    x = 46,279,179.92/8,541.88
  6. Step 6: Final answer
    x = 5,417.92

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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.