Home / 8,476.67-12,715.84-3,141.27

Finding the Fourth Proportional to 8,476.67, 12,715.84 and 3,141.27

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Solution

The fourth proportional to 8,476.67, 12,715.84 and 3,141.27 is: 4,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.67 : 12,715.84 = 3,141.27 : x
  2. Step 2: Convert to fraction form
    8,476.67/12,715.84 = 3,141.27/x
  3. Step 3: Cross multiply
    8,476.67x = 12,715.84 × 3,141.27
  4. Step 4: Simplify right side
    8,476.67x = 39,943,938.33
  5. Step 5: Solve for x
    x = 39,943,938.33/8,476.67
  6. Step 6: Final answer
    x = 4,712.22

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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.