Home / 8,664.72-11,956.52-5,306

Finding the Fourth Proportional to 8,664.72, 11,956.52 and 5,306

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Solution

The fourth proportional to 8,664.72, 11,956.52 and 5,306 is: 7,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.72 : 11,956.52 = 5,306 : x
  2. Step 2: Convert to fraction form
    8,664.72/11,956.52 = 5,306/x
  3. Step 3: Cross multiply
    8,664.72x = 11,956.52 × 5,306
  4. Step 4: Simplify right side
    8,664.72x = 63,441,295.12
  5. Step 5: Solve for x
    x = 63,441,295.12/8,664.72
  6. Step 6: Final answer
    x = 7,321.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.