Home / 8,706.06-13,059.73-3,159.43

Finding the Fourth Proportional to 8,706.06, 13,059.73 and 3,159.43

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Solution

The fourth proportional to 8,706.06, 13,059.73 and 3,159.43 is: 4,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.06 : 13,059.73 = 3,159.43 : x
  2. Step 2: Convert to fraction form
    8,706.06/13,059.73 = 3,159.43/x
  3. Step 3: Cross multiply
    8,706.06x = 13,059.73 × 3,159.43
  4. Step 4: Simplify right side
    8,706.06x = 41,261,302.75
  5. Step 5: Solve for x
    x = 41,261,302.75/8,706.06
  6. Step 6: Final answer
    x = 4,739.38

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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.