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Finding the Fourth Proportional to 6,152.12, 8,489.94 and 3,357.80

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Solution

The fourth proportional to 6,152.12, 8,489.94 and 3,357.80 is: 4,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,152.12 : 8,489.94 = 3,357.80 : x
  2. Step 2: Convert to fraction form
    6,152.12/8,489.94 = 3,357.80/x
  3. Step 3: Cross multiply
    6,152.12x = 8,489.94 × 3,357.80
  4. Step 4: Simplify right side
    6,152.12x = 28,507,520.53
  5. Step 5: Solve for x
    x = 28,507,520.53/6,152.12
  6. Step 6: Final answer
    x = 4,633.77

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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.