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Finding the Fourth Proportional to 6,150, 8,487.06 and 3,355.56

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Solution

The fourth proportional to 6,150, 8,487.06 and 3,355.56 is: 4,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,150 : 8,487.06 = 3,355.56 : x
  2. Step 2: Convert to fraction form
    6,150/8,487.06 = 3,355.56/x
  3. Step 3: Cross multiply
    6,150x = 8,487.06 × 3,355.56
  4. Step 4: Simplify right side
    6,150x = 28,478,839.05
  5. Step 5: Solve for x
    x = 28,478,839.05/6,150
  6. Step 6: Final answer
    x = 4,630.71

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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.