Home / 6,469.07-8,930.12-4,081.19

Finding the Fourth Proportional to 6,469.07, 8,930.12 and 4,081.19

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Solution

The fourth proportional to 6,469.07, 8,930.12 and 4,081.19 is: 5,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.07 : 8,930.12 = 4,081.19 : x
  2. Step 2: Convert to fraction form
    6,469.07/8,930.12 = 4,081.19/x
  3. Step 3: Cross multiply
    6,469.07x = 8,930.12 × 4,081.19
  4. Step 4: Simplify right side
    6,469.07x = 36,445,451.39
  5. Step 5: Solve for x
    x = 36,445,451.39/6,469.07
  6. Step 6: Final answer
    x = 5,633.81

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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.