Home / 8,199.11-12,310.97-4,693.08

Finding the Fourth Proportional to 8,199.11, 12,310.97 and 4,693.08

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Solution

The fourth proportional to 8,199.11, 12,310.97 and 4,693.08 is: 7,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.11 : 12,310.97 = 4,693.08 : x
  2. Step 2: Convert to fraction form
    8,199.11/12,310.97 = 4,693.08/x
  3. Step 3: Cross multiply
    8,199.11x = 12,310.97 × 4,693.08
  4. Step 4: Simplify right side
    8,199.11x = 57,776,367.09
  5. Step 5: Solve for x
    x = 57,776,367.09/8,199.11
  6. Step 6: Final answer
    x = 7,046.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.