Home / 8,640.33-12,962.76-2,716.98

Finding the Fourth Proportional to 8,640.33, 12,962.76 and 2,716.98

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Solution

The fourth proportional to 8,640.33, 12,962.76 and 2,716.98 is: 4,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640.33 : 12,962.76 = 2,716.98 : x
  2. Step 2: Convert to fraction form
    8,640.33/12,962.76 = 2,716.98/x
  3. Step 3: Cross multiply
    8,640.33x = 12,962.76 × 2,716.98
  4. Step 4: Simplify right side
    8,640.33x = 35,219,494.85
  5. Step 5: Solve for x
    x = 35,219,494.85/8,640.33
  6. Step 6: Final answer
    x = 4,076.17

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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.