Home / 8,814.43-12,163.53-5,279.59

Finding the Fourth Proportional to 8,814.43, 12,163.53 and 5,279.59

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Solution

The fourth proportional to 8,814.43, 12,163.53 and 5,279.59 is: 7,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.43 : 12,163.53 = 5,279.59 : x
  2. Step 2: Convert to fraction form
    8,814.43/12,163.53 = 5,279.59/x
  3. Step 3: Cross multiply
    8,814.43x = 12,163.53 × 5,279.59
  4. Step 4: Simplify right side
    8,814.43x = 64,218,451.35
  5. Step 5: Solve for x
    x = 64,218,451.35/8,814.43
  6. Step 6: Final answer
    x = 7,285.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.