Home / 6,379.31-8,803.43-3,546.60

Finding the Fourth Proportional to 6,379.31, 8,803.43 and 3,546.60

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Solution

The fourth proportional to 6,379.31, 8,803.43 and 3,546.60 is: 4,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.31 : 8,803.43 = 3,546.60 : x
  2. Step 2: Convert to fraction form
    6,379.31/8,803.43 = 3,546.60/x
  3. Step 3: Cross multiply
    6,379.31x = 8,803.43 × 3,546.60
  4. Step 4: Simplify right side
    6,379.31x = 31,222,207.39
  5. Step 5: Solve for x
    x = 31,222,207.39/6,379.31
  6. Step 6: Final answer
    x = 4,894.29

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1.5x scale

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.