Home / 8,269.07-12,403.55-3,338.64

Finding the Fourth Proportional to 8,269.07, 12,403.55 and 3,338.64

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Solution

The fourth proportional to 8,269.07, 12,403.55 and 3,338.64 is: 5,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.07 : 12,403.55 = 3,338.64 : x
  2. Step 2: Convert to fraction form
    8,269.07/12,403.55 = 3,338.64/x
  3. Step 3: Cross multiply
    8,269.07x = 12,403.55 × 3,338.64
  4. Step 4: Simplify right side
    8,269.07x = 41,410,909.46
  5. Step 5: Solve for x
    x = 41,410,909.46/8,269.07
  6. Step 6: Final answer
    x = 5,007.93

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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.