Home / 4,606.20-6,906.60-3,147.12

Finding the Fourth Proportional to 4,606.20, 6,906.60 and 3,147.12

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Solution

The fourth proportional to 4,606.20, 6,906.60 and 3,147.12 is: 4,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,606.20 : 6,906.60 = 3,147.12 : x
  2. Step 2: Convert to fraction form
    4,606.20/6,906.60 = 3,147.12/x
  3. Step 3: Cross multiply
    4,606.20x = 6,906.60 × 3,147.12
  4. Step 4: Simplify right side
    4,606.20x = 21,735,898.99
  5. Step 5: Solve for x
    x = 21,735,898.99/4,606.20
  6. Step 6: Final answer
    x = 4,718.84

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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.