Home / 8,856.12-13,274.61-4,172.16

Finding the Fourth Proportional to 8,856.12, 13,274.61 and 4,172.16

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Solution

The fourth proportional to 8,856.12, 13,274.61 and 4,172.16 is: 6,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.12 : 13,274.61 = 4,172.16 : x
  2. Step 2: Convert to fraction form
    8,856.12/13,274.61 = 4,172.16/x
  3. Step 3: Cross multiply
    8,856.12x = 13,274.61 × 4,172.16
  4. Step 4: Simplify right side
    8,856.12x = 55,383,796.86
  5. Step 5: Solve for x
    x = 55,383,796.86/8,856.12
  6. Step 6: Final answer
    x = 6,253.73

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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.