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Finding the Fourth Proportional to 6,199.08, 8,550.78 and 3,958.60

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Solution

The fourth proportional to 6,199.08, 8,550.78 and 3,958.60 is: 5,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.08 : 8,550.78 = 3,958.60 : x
  2. Step 2: Convert to fraction form
    6,199.08/8,550.78 = 3,958.60/x
  3. Step 3: Cross multiply
    6,199.08x = 8,550.78 × 3,958.60
  4. Step 4: Simplify right side
    6,199.08x = 33,849,117.71
  5. Step 5: Solve for x
    x = 33,849,117.71/6,199.08
  6. Step 6: Final answer
    x = 5,460.35

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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.