Home / 8,112.84-11,196.68-4,576.79

Finding the Fourth Proportional to 8,112.84, 11,196.68 and 4,576.79

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Solution

The fourth proportional to 8,112.84, 11,196.68 and 4,576.79 is: 6,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.84 : 11,196.68 = 4,576.79 : x
  2. Step 2: Convert to fraction form
    8,112.84/11,196.68 = 4,576.79/x
  3. Step 3: Cross multiply
    8,112.84x = 11,196.68 × 4,576.79
  4. Step 4: Simplify right side
    8,112.84x = 51,244,774.19
  5. Step 5: Solve for x
    x = 51,244,774.19/8,112.84
  6. Step 6: Final answer
    x = 6,316.50

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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.