Home / 5,716.30-8,575.07-1,819.80

Finding the Fourth Proportional to 5,716.30, 8,575.07 and 1,819.80

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Solution

The fourth proportional to 5,716.30, 8,575.07 and 1,819.80 is: 2,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.30 : 8,575.07 = 1,819.80 : x
  2. Step 2: Convert to fraction form
    5,716.30/8,575.07 = 1,819.80/x
  3. Step 3: Cross multiply
    5,716.30x = 8,575.07 × 1,819.80
  4. Step 4: Simplify right side
    5,716.30x = 15,604,912.39
  5. Step 5: Solve for x
    x = 15,604,912.39/5,716.30
  6. Step 6: Final answer
    x = 2,729.90

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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.