Home / 8,470.27-12,699.73-3,270.07

Finding the Fourth Proportional to 8,470.27, 12,699.73 and 3,270.07

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Solution

The fourth proportional to 8,470.27, 12,699.73 and 3,270.07 is: 4,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.27 : 12,699.73 = 3,270.07 : x
  2. Step 2: Convert to fraction form
    8,470.27/12,699.73 = 3,270.07/x
  3. Step 3: Cross multiply
    8,470.27x = 12,699.73 × 3,270.07
  4. Step 4: Simplify right side
    8,470.27x = 41,529,006.08
  5. Step 5: Solve for x
    x = 41,529,006.08/8,470.27
  6. Step 6: Final answer
    x = 4,902.91

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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.