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Finding the Fourth Proportional to 6,149, 8,485.68 and 3,354.56

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Solution

The fourth proportional to 6,149, 8,485.68 and 3,354.56 is: 4,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149 : 8,485.68 = 3,354.56 : x
  2. Step 2: Convert to fraction form
    6,149/8,485.68 = 3,354.56/x
  3. Step 3: Cross multiply
    6,149x = 8,485.68 × 3,354.56
  4. Step 4: Simplify right side
    6,149x = 28,465,722.70
  5. Step 5: Solve for x
    x = 28,465,722.70/6,149
  6. Step 6: Final answer
    x = 4,629.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.