Home / 8,684.35-11,984.54-4,907.81

Finding the Fourth Proportional to 8,684.35, 11,984.54 and 4,907.81

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Solution

The fourth proportional to 8,684.35, 11,984.54 and 4,907.81 is: 6,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.35 : 11,984.54 = 4,907.81 : x
  2. Step 2: Convert to fraction form
    8,684.35/11,984.54 = 4,907.81/x
  3. Step 3: Cross multiply
    8,684.35x = 11,984.54 × 4,907.81
  4. Step 4: Simplify right side
    8,684.35x = 58,817,850.68
  5. Step 5: Solve for x
    x = 58,817,850.68/8,684.35
  6. Step 6: Final answer
    x = 6,772.86

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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.