Home / 8,706.38-13,059.52-3,159.70

Finding the Fourth Proportional to 8,706.38, 13,059.52 and 3,159.70

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Solution

The fourth proportional to 8,706.38, 13,059.52 and 3,159.70 is: 4,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.38 : 13,059.52 = 3,159.70 : x
  2. Step 2: Convert to fraction form
    8,706.38/13,059.52 = 3,159.70/x
  3. Step 3: Cross multiply
    8,706.38x = 13,059.52 × 3,159.70
  4. Step 4: Simplify right side
    8,706.38x = 41,264,124.80
  5. Step 5: Solve for x
    x = 41,264,124.80/8,706.38
  6. Step 6: Final answer
    x = 4,739.53

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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.