Home / 8,814.15-13,218.09-2,572.55

Finding the Fourth Proportional to 8,814.15, 13,218.09 and 2,572.55

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Solution

The fourth proportional to 8,814.15, 13,218.09 and 2,572.55 is: 3,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.15 : 13,218.09 = 2,572.55 : x
  2. Step 2: Convert to fraction form
    8,814.15/13,218.09 = 2,572.55/x
  3. Step 3: Cross multiply
    8,814.15x = 13,218.09 × 2,572.55
  4. Step 4: Simplify right side
    8,814.15x = 34,004,197.43
  5. Step 5: Solve for x
    x = 34,004,197.43/8,814.15
  6. Step 6: Final answer
    x = 3,857.91

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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.