Home / 8,717.07-12,027.61-4,939.91

Finding the Fourth Proportional to 8,717.07, 12,027.61 and 4,939.91

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Solution

The fourth proportional to 8,717.07, 12,027.61 and 4,939.91 is: 6,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.07 : 12,027.61 = 4,939.91 : x
  2. Step 2: Convert to fraction form
    8,717.07/12,027.61 = 4,939.91/x
  3. Step 3: Cross multiply
    8,717.07x = 12,027.61 × 4,939.91
  4. Step 4: Simplify right side
    8,717.07x = 59,415,310.92
  5. Step 5: Solve for x
    x = 59,415,310.92/8,717.07
  6. Step 6: Final answer
    x = 6,815.97

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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.