Home / 8,723.43-13,084.74-2,879.28

Finding the Fourth Proportional to 8,723.43, 13,084.74 and 2,879.28

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Solution

The fourth proportional to 8,723.43, 13,084.74 and 2,879.28 is: 4,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.43 : 13,084.74 = 2,879.28 : x
  2. Step 2: Convert to fraction form
    8,723.43/13,084.74 = 2,879.28/x
  3. Step 3: Cross multiply
    8,723.43x = 13,084.74 × 2,879.28
  4. Step 4: Simplify right side
    8,723.43x = 37,674,630.19
  5. Step 5: Solve for x
    x = 37,674,630.19/8,723.43
  6. Step 6: Final answer
    x = 4,318.79

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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.