Home / 6,310.44-8,708.28-3,657.78

Finding the Fourth Proportional to 6,310.44, 8,708.28 and 3,657.78

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Solution

The fourth proportional to 6,310.44, 8,708.28 and 3,657.78 is: 5,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.44 : 8,708.28 = 3,657.78 : x
  2. Step 2: Convert to fraction form
    6,310.44/8,708.28 = 3,657.78/x
  3. Step 3: Cross multiply
    6,310.44x = 8,708.28 × 3,657.78
  4. Step 4: Simplify right side
    6,310.44x = 31,852,972.42
  5. Step 5: Solve for x
    x = 31,852,972.42/6,310.44
  6. Step 6: Final answer
    x = 5,047.66

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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.