Home / 4,747.68-7,124.94-3,190.68

Finding the Fourth Proportional to 4,747.68, 7,124.94 and 3,190.68

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Solution

The fourth proportional to 4,747.68, 7,124.94 and 3,190.68 is: 4,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.68 : 7,124.94 = 3,190.68 : x
  2. Step 2: Convert to fraction form
    4,747.68/7,124.94 = 3,190.68/x
  3. Step 3: Cross multiply
    4,747.68x = 7,124.94 × 3,190.68
  4. Step 4: Simplify right side
    4,747.68x = 22,733,403.56
  5. Step 5: Solve for x
    x = 22,733,403.56/4,747.68
  6. Step 6: Final answer
    x = 4,788.32

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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.