Home / 4,942.60-7,412.91-3,184.78

Finding the Fourth Proportional to 4,942.60, 7,412.91 and 3,184.78

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Solution

The fourth proportional to 4,942.60, 7,412.91 and 3,184.78 is: 4,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.60 : 7,412.91 = 3,184.78 : x
  2. Step 2: Convert to fraction form
    4,942.60/7,412.91 = 3,184.78/x
  3. Step 3: Cross multiply
    4,942.60x = 7,412.91 × 3,184.78
  4. Step 4: Simplify right side
    4,942.60x = 23,608,487.51
  5. Step 5: Solve for x
    x = 23,608,487.51/4,942.60
  6. Step 6: Final answer
    x = 4,776.53

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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.