Home / 8,724.70-13,083.54-3,176.74

Finding the Fourth Proportional to 8,724.70, 13,083.54 and 3,176.74

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Solution

The fourth proportional to 8,724.70, 13,083.54 and 3,176.74 is: 4,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.70 : 13,083.54 = 3,176.74 : x
  2. Step 2: Convert to fraction form
    8,724.70/13,083.54 = 3,176.74/x
  3. Step 3: Cross multiply
    8,724.70x = 13,083.54 × 3,176.74
  4. Step 4: Simplify right side
    8,724.70x = 41,563,004.86
  5. Step 5: Solve for x
    x = 41,563,004.86/8,724.70
  6. Step 6: Final answer
    x = 4,763.83

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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.