Home / 8,814.87-13,218.42-4,131.10

Finding the Fourth Proportional to 8,814.87, 13,218.42 and 4,131.10

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Solution

The fourth proportional to 8,814.87, 13,218.42 and 4,131.10 is: 6,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.87 : 13,218.42 = 4,131.10 : x
  2. Step 2: Convert to fraction form
    8,814.87/13,218.42 = 4,131.10/x
  3. Step 3: Cross multiply
    8,814.87x = 13,218.42 × 4,131.10
  4. Step 4: Simplify right side
    8,814.87x = 54,606,614.86
  5. Step 5: Solve for x
    x = 54,606,614.86/8,814.87
  6. Step 6: Final answer
    x = 6,194.83

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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.