Home / 8,728.39-13,092.87-3,464.38

Finding the Fourth Proportional to 8,728.39, 13,092.87 and 3,464.38

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Solution

The fourth proportional to 8,728.39, 13,092.87 and 3,464.38 is: 5,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.39 : 13,092.87 = 3,464.38 : x
  2. Step 2: Convert to fraction form
    8,728.39/13,092.87 = 3,464.38/x
  3. Step 3: Cross multiply
    8,728.39x = 13,092.87 × 3,464.38
  4. Step 4: Simplify right side
    8,728.39x = 45,358,676.97
  5. Step 5: Solve for x
    x = 45,358,676.97/8,728.39
  6. Step 6: Final answer
    x = 5,196.68

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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.