Home / 8,440.07-12,660.64-3,245.94

Finding the Fourth Proportional to 8,440.07, 12,660.64 and 3,245.94

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Solution

The fourth proportional to 8,440.07, 12,660.64 and 3,245.94 is: 4,869.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.07 : 12,660.64 = 3,245.94 : x
  2. Step 2: Convert to fraction form
    8,440.07/12,660.64 = 3,245.94/x
  3. Step 3: Cross multiply
    8,440.07x = 12,660.64 × 3,245.94
  4. Step 4: Simplify right side
    8,440.07x = 41,095,669.69
  5. Step 5: Solve for x
    x = 41,095,669.69/8,440.07
  6. Step 6: Final answer
    x = 4,869.12

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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.