Home / 8,864.56-13,292.44-5,167.72

Finding the Fourth Proportional to 8,864.56, 13,292.44 and 5,167.72

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Solution

The fourth proportional to 8,864.56, 13,292.44 and 5,167.72 is: 7,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.56 : 13,292.44 = 5,167.72 : x
  2. Step 2: Convert to fraction form
    8,864.56/13,292.44 = 5,167.72/x
  3. Step 3: Cross multiply
    8,864.56x = 13,292.44 × 5,167.72
  4. Step 4: Simplify right side
    8,864.56x = 68,691,608.04
  5. Step 5: Solve for x
    x = 68,691,608.04/8,864.56
  6. Step 6: Final answer
    x = 7,749.01

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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.