Home / 8,553.07-12,830.97-3,622.75

Finding the Fourth Proportional to 8,553.07, 12,830.97 and 3,622.75

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Solution

The fourth proportional to 8,553.07, 12,830.97 and 3,622.75 is: 5,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.07 : 12,830.97 = 3,622.75 : x
  2. Step 2: Convert to fraction form
    8,553.07/12,830.97 = 3,622.75/x
  3. Step 3: Cross multiply
    8,553.07x = 12,830.97 × 3,622.75
  4. Step 4: Simplify right side
    8,553.07x = 46,483,396.57
  5. Step 5: Solve for x
    x = 46,483,396.57/8,553.07
  6. Step 6: Final answer
    x = 5,434.70

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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.