Home / 8,311.14-12,470.34-3,632.16

Finding the Fourth Proportional to 8,311.14, 12,470.34 and 3,632.16

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Solution

The fourth proportional to 8,311.14, 12,470.34 and 3,632.16 is: 5,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.14 : 12,470.34 = 3,632.16 : x
  2. Step 2: Convert to fraction form
    8,311.14/12,470.34 = 3,632.16/x
  3. Step 3: Cross multiply
    8,311.14x = 12,470.34 × 3,632.16
  4. Step 4: Simplify right side
    8,311.14x = 45,294,270.13
  5. Step 5: Solve for x
    x = 45,294,270.13/8,311.14
  6. Step 6: Final answer
    x = 5,449.83

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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.