Home / 8,664.12-11,956.50-4,938.12

Finding the Fourth Proportional to 8,664.12, 11,956.50 and 4,938.12

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Solution

The fourth proportional to 8,664.12, 11,956.50 and 4,938.12 is: 6,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.12 : 11,956.50 = 4,938.12 : x
  2. Step 2: Convert to fraction form
    8,664.12/11,956.50 = 4,938.12/x
  3. Step 3: Cross multiply
    8,664.12x = 11,956.50 × 4,938.12
  4. Step 4: Simplify right side
    8,664.12x = 59,042,631.78
  5. Step 5: Solve for x
    x = 59,042,631.78/8,664.12
  6. Step 6: Final answer
    x = 6,814.61

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1.5x scale

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.