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Finding the Fourth Proportional to 8,850.85, 12,214.13 and 4,871.88

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Solution

The fourth proportional to 8,850.85, 12,214.13 and 4,871.88 is: 6,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.85 : 12,214.13 = 4,871.88 : x
  2. Step 2: Convert to fraction form
    8,850.85/12,214.13 = 4,871.88/x
  3. Step 3: Cross multiply
    8,850.85x = 12,214.13 × 4,871.88
  4. Step 4: Simplify right side
    8,850.85x = 59,505,751.31
  5. Step 5: Solve for x
    x = 59,505,751.31/8,850.85
  6. Step 6: Final answer
    x = 6,723.17

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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.