Home / 7,819.72-11,747.22-4,540.84

Finding the Fourth Proportional to 7,819.72, 11,747.22 and 4,540.84

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Solution

The fourth proportional to 7,819.72, 11,747.22 and 4,540.84 is: 6,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.72 : 11,747.22 = 4,540.84 : x
  2. Step 2: Convert to fraction form
    7,819.72/11,747.22 = 4,540.84/x
  3. Step 3: Cross multiply
    7,819.72x = 11,747.22 × 4,540.84
  4. Step 4: Simplify right side
    7,819.72x = 53,342,246.46
  5. Step 5: Solve for x
    x = 53,342,246.46/7,819.72
  6. Step 6: Final answer
    x = 6,821.50

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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.