Home / 6,310.60-8,706.72-3,657.92

Finding the Fourth Proportional to 6,310.60, 8,706.72 and 3,657.92

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Solution

The fourth proportional to 6,310.60, 8,706.72 and 3,657.92 is: 5,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.60 : 8,706.72 = 3,657.92 : x
  2. Step 2: Convert to fraction form
    6,310.60/8,706.72 = 3,657.92/x
  3. Step 3: Cross multiply
    6,310.60x = 8,706.72 × 3,657.92
  4. Step 4: Simplify right side
    6,310.60x = 31,848,485.22
  5. Step 5: Solve for x
    x = 31,848,485.22/6,310.60
  6. Step 6: Final answer
    x = 5,046.82

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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.