Home / 8,819.56-13,225.43-4,135.79

Finding the Fourth Proportional to 8,819.56, 13,225.43 and 4,135.79

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Solution

The fourth proportional to 8,819.56, 13,225.43 and 4,135.79 is: 6,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.56 : 13,225.43 = 4,135.79 : x
  2. Step 2: Convert to fraction form
    8,819.56/13,225.43 = 4,135.79/x
  3. Step 3: Cross multiply
    8,819.56x = 13,225.43 × 4,135.79
  4. Step 4: Simplify right side
    8,819.56x = 54,697,514.33
  5. Step 5: Solve for x
    x = 54,697,514.33/8,819.56
  6. Step 6: Final answer
    x = 6,201.85

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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.